Month	Dollars
1957-02-01	41100000
1957-03-01	21800000
1957-04-01	32900000
1957-05-01	34600000
1957-06-01	30400000
1957-07-01	33200000
1957-08-01	31100000
1957-09-01	37100000
1957-10-01	35000000
1957-11-01	40000000
1957-12-01	32100000
1958-01-01	29300000
1958-02-01	21400000
1958-03-01	35400000
1958-04-01	31400000
1958-05-01	37900000
1958-06-01	31400000
1958-07-01	28900000
1958-08-01	15000000
1958-09-01	15000000
1958-10-01	18900000
1958-11-01	27100000
1958-12-01	23600000
1959-01-01	32500000
1959-02-01	28200000
1959-03-01	37900000
1959-04-01	32100000
1959-05-01	34600000
1959-06-01	39300000
1959-07-01	38200000
1959-08-01	44300000
1959-09-01	32900000
1959-10-01	38900000
1959-11-01	55400000
1959-12-01	56100000
1960-01-01	34600000
1960-02-01	41400000
1960-03-01	40000000
1960-04-01	35700000
1960-05-01	42900000
1960-06-01	37100000
1960-07-01	38600000
1960-08-01	52500000
1960-09-01	38300000
1960-10-01	31300000
1960-11-01	40000000
1960-12-01	35900000
1961-01-01	27200000
1961-02-01	29800000
1961-03-01	30600000
1961-04-01	38700000
1961-05-01	37400000
1961-06-01	33300000
1961-07-01	43100000
1961-08-01	63000000
1961-09-01	35400000
1961-10-01	40700000
1961-11-01	47700000
1961-12-01	82600000
1962-01-01	36300000
1962-02-01	42100000
1962-03-01	38600000
1962-04-01	54700000
1962-05-01	45900000
1962-06-01	50800000
1962-07-01	52700000
1962-08-01	48800000
1962-09-01	59800000
1962-10-01	62200000
1962-11-01	57000000
1962-12-01	73400000
1963-01-01	50000000
1963-02-01	48800000
1963-03-01	44000000
1963-04-01	70200000
1963-05-01	49700000
1963-06-01	55800000
1963-07-01	59700000
1963-08-01	45700000
1963-09-01	63400000
1963-10-01	63100000
1963-11-01	51200000
1963-12-01	89200000
1964-01-01	38200000
1964-02-01	62900000
1964-03-01	47000000
1964-04-01	50200000
1964-05-01	51300000
1964-06-01	45800000
1964-07-01	40100000
1964-08-01	39100000
1964-09-01	38000000
1964-10-01	33200000
1964-11-01	38700000
1964-12-01	57400000
1965-01-01	43900000
1965-02-01	45200000
1965-03-01	47800000
1965-04-01	41000000
1965-05-01	50200000
1965-06-01	52800000
1965-07-01	51000000
1965-08-01	49000000
1965-09-01	49000000
1965-10-01	41000000
1965-11-01	48700000
1965-12-01	57400000
1966-01-01	46700000
1966-02-01	62700000
1966-03-01	69400000
1966-04-01	54400000
1966-05-01	58400000
1966-06-01	66000000
1966-07-01	65400000
1966-08-01	57800000
1966-09-01	58000000
1966-10-01	58000000
1966-11-01	57400000
1966-12-01	70200000
1967-01-01	47900000
1967-02-01	55900000
1967-03-01	56200000
1967-04-01	63900000
1967-05-01	52000000
1967-06-01	53800000
1967-07-01	47100000
1967-08-01	70100000
1967-09-01	67700000
1967-10-01	56200000
1967-11-01	56400000
1967-12-01	63600000
1968-01-01	49200000
1968-02-01	75800000
1968-03-01	58200000
1968-04-01	79900000
1968-05-01	69900000
1968-06-01	61100000
1968-07-01	61100000
1968-08-01	56100000
1968-09-01	58100000
1968-10-01	61500000
1968-11-01	71100000
1968-12-01	61700000
1969-01-01	63200000
1969-02-01	68900000
1969-03-01	74300000
1969-04-01	63000000
1969-05-01	64000000
1969-06-01	80000000
1969-07-01	76200000
1969-08-01	62600000
1969-09-01	58000000
1969-10-01	59800000
1969-11-01	68000000
1969-12-01	63100000
1970-01-01	81300000
1970-02-01	79700000
1970-03-01	78000000
1970-04-01	93400000
1970-05-01	94200000
1970-06-01	100600000
1970-07-01	104100000
1970-08-01	50200000
1970-09-01	51200000
1970-10-01	49000000
1970-11-01	67700000
1970-12-01	98200000
1971-01-01	96500000
1971-02-01	93100000
1971-03-01	95900000
1971-04-01	104900000
1971-05-01	97500000
1971-06-01	119100000
1971-07-01	119000000
1971-08-01	81100000
1971-09-01	93800000
1971-10-01	83300000
1971-11-01	77500000
1971-12-01	109300000
1972-01-01	93600000
1972-02-01	118800000
1972-03-01	109600000
1972-04-01	122600000
1972-05-01	135700000
1972-06-01	133500000
1972-07-01	130400000
1972-08-01	113100000
1972-09-01	149800000
1972-10-01	123600000
1972-11-01	119800000
1972-12-01	201600000
1973-01-01	133500000
1973-02-01	127900000
1973-03-01	201600000
1973-04-01	158000000
1973-05-01	153300000
1973-06-01	185400000
1973-07-01	181100000
1973-08-01	136400000
1973-09-01	183300000
1973-10-01	182800000
1973-11-01	226600000
1973-12-01	228900000
1974-01-01	214100000
1974-02-01	223500000
1974-03-01	284200000
1974-04-01	319700000
1974-05-01	324500000
1974-06-01	295500000
1974-07-01	252100000
1974-08-01	303300000
1974-09-01	317900000
1974-10-01	302500000
1974-11-01	403200000
1974-12-01	534200000
1975-01-01	348500000
1975-02-01	365700000
1975-03-01	461200000
1975-04-01	397900000
1975-05-01	314200000
1975-06-01	536700000
1975-07-01	421000000
1975-08-01	352600000
1975-09-01	363500000
1975-10-01	328700000
1975-11-01	476400000
1975-12-01	372300000
1976-01-01	425400000
1976-02-01	320000000
1976-03-01	502200000
1976-04-01	435300000
1976-05-01	274800000
1976-06-01	400100000
1976-07-01	531100000
1976-08-01	428900000
1976-09-01	420600000
1976-10-01	443700000
1976-11-01	473200000
1976-12-01	473300000
1977-01-01	538400000
1977-02-01	405300000
1977-03-01	461400000
1977-04-01	603000000
1977-05-01	373300000
1977-06-01	581500000
1977-07-01	427600000
1977-08-01	631900000
1977-09-01	477000000
1977-10-01	369800000
1977-11-01	349500000
1977-12-01	577700000
1978-01-01	184200000
1978-02-01	495300000
1978-03-01	283200000
1978-04-01	439500000
1978-05-01	439600000
1978-06-01	396700000
1978-07-01	293400000
1978-08-01	244700000
1978-09-01	376400000
1978-10-01	417600000
1978-11-01	418100000
1978-12-01	610400000
1979-01-01	279000000
1979-02-01	389000000
1979-03-01	525800000
1979-04-01	386700000
1979-05-01	335900000
1979-06-01	486900000
1979-07-01	272000000
1979-08-01	334100000
1979-09-01	621900000
1979-10-01	436900000
1979-11-01	358400000
1979-12-01	642400000
1980-01-01	433000000
1980-02-01	595300000
1980-03-01	370100000
1980-04-01	366500000
1980-05-01	692500000
1980-06-01	556900000
1980-07-01	630000000
1980-08-01	584100000
1980-09-01	1137200000
1980-10-01	967000000
1980-11-01	582000000
1980-12-01	995000000
1981-01-01	782000000
1981-02-01	844000000
1981-03-01	678000000
1981-04-01	652000000
1981-05-01	759500000
1981-06-01	668800000
1981-07-01	777000000
1981-08-01	663000000
1981-09-01	689000000
1981-10-01	657000000
1981-11-01	800300000
1981-12-01	962000000
1982-01-01	608000000
1982-02-01	667000000
1982-03-01	684800000
1982-04-01	759000000
1982-05-01	768700000
1982-06-01	734700000
1982-07-01	678200000
1982-08-01	654000000
1982-09-01	672300000
1982-10-01	747500000
1982-11-01	782700000
1982-12-01	1084600000
1983-01-01	739700000
1983-02-01	750000000
1983-03-01	859600000
1983-04-01	665200000
1983-05-01	711400000
1983-06-01	724500000
1983-07-01	629600000
1983-08-01	764000000
1983-09-01	683000000
1983-10-01	792100000
1983-11-01	825000000
1983-12-01	1090100000
1984-01-01	664400000
1984-02-01	694000000
1984-03-01	821400000
1984-04-01	924600000
1984-05-01	876800000
1984-06-01	846000000
1984-07-01	893700000
1984-08-01	830700000
1984-09-01	942100000
1984-10-01	917400000
1984-11-01	978600000
1984-12-01	1366900000
1985-01-01	822200000
1985-02-01	685200000
1985-03-01	928300000
1985-04-01	866500000
1985-05-01	914800000
1985-06-01	801600000
1985-07-01	940700000
1985-08-01	892600000
1985-09-01	1039100000
1985-10-01	1044500000
1985-11-01	1321000000
1985-12-01	1086000000
1986-01-01	1012100000
1986-02-01	857800000
1986-03-01	941800000
1986-04-01	855700000
1986-05-01	951300000
1986-06-01	833000000
1986-07-01	893800000
1986-08-01	809000000
1986-09-01	943700000
1986-10-01	901700000
1986-11-01	1023100000
1986-12-01	1081300000
1987-01-01	860400000
1987-02-01	998800000
1987-03-01	981200000
1987-04-01	1082600000
1987-05-01	971200000
1987-06-01	983800000
1987-07-01	1222000000
1987-08-01	999000000
1987-09-01	1295800000
1987-10-01	1393700000
1987-11-01	1591900000
1987-12-01	1777000000
1988-01-01	1046000000
1988-02-01	1128700000
1988-03-01	1318000000
1988-04-01	1331600000
1988-05-01	1187400000
1988-06-01	1262400000
1988-07-01	981600000
1988-08-01	1136600000
1988-09-01	1146800000
1988-10-01	1068900000
1988-11-01	1223800000
1988-12-01	1502000000
1989-01-01	1063200000
1989-02-01	1046000000
1989-03-01	1210000000
1989-04-01	1275300000
1989-05-01	1178000000
1989-06-01	1353800000
1989-07-01	1267000000
1989-08-01	1389000000
1989-09-01	1339000000
1989-10-01	1546200000
1989-11-01	1542000000
1989-12-01	1583000000
1990-01-01	1501300000
1990-02-01	1491000000
1990-03-01	1714200000
1990-04-01	1317600000
1990-05-01	1990500000
1990-06-01	1567400000
1990-07-01	1523800000
1990-08-01	2007300000
1990-09-01	1903500000
1990-10-01	2423700000
1990-11-01	2410400000
1990-12-01	2452400000
1991-01-01	1675500000
1991-02-01	1419500000
1991-03-01	1820900000
1991-04-01	1307800000
1991-05-01	1813900000
1991-06-01	1623900000
1991-07-01	1761200000
1991-08-01	1737900000
1991-09-01	1744800000
1991-10-01	1869300000
1991-11-01	1913800000
1991-12-01	2358300000
1992-01-01	1637200000
1992-02-01	1553500000
1992-03-01	1751300000
1992-04-01	1742500000
1992-05-01	1838200000
1992-06-01	1904200000
1992-07-01	2036400000
1992-08-01	1867300000
1992-09-01	1952800000
1992-10-01	1904900000
1992-11-01	2077600000
1992-12-01	2605500000
1993-01-01	1793100000
1993-02-01	2004000000
1993-03-01	2111000000
1993-04-01	2879493000
1993-05-01	2525000000
1993-06-01	2374000000
1993-07-01	2469000000
1993-08-01	2596000000
1993-09-01	2400000000
1993-10-01	2317000000
1993-11-01	2595000000
1993-12-01	3364000000
1994-01-01	2153700000
1994-02-01	1751900000
1994-03-01	1982600000
1994-04-01	1724771000
1994-05-01	1448000000
1994-06-01	1781000000
1994-07-01	1606000000
1994-08-01	1890000000
1994-09-01	1920000000
1994-10-01	2059000000
1994-11-01	2248000000
1994-12-01	2705000000
1995-01-01	2097100000
1995-02-01	2282600000
1995-03-01	2473900000
1995-04-01	2982900000
1995-05-01	2584100000
1995-06-01	3047000000
1995-07-01	2881000000
1995-08-01	3192000000
1995-09-01	3066000000
1995-10-01	3212000000
1995-11-01	3573000000
1995-12-01	4318600000
1996-01-01	3155000000
1996-02-01	2861000000
1996-03-01	3743000000
1996-04-01	3664000000
1996-05-01	3900000000
1996-06-01	3422000000
1996-07-01	3913000000
1996-08-01	3521000000
1996-09-01	3320000000
1996-10-01	3604000000
1996-11-01	3944000000
1996-12-01	4581000000
1997-01-01	3614000000
1997-02-01	3100000000
1997-03-01	3831000000
1997-04-01	3504000000
1997-05-01	4319000000
1997-06-01	3873000000
1997-07-01	4134000000
1997-08-01	4159000000
1997-09-01	4358000000
1997-10-01	4374000000
1997-11-01	4353000000
1997-12-01	4941000000
1998-01-01	3106000000
1998-02-01	3875000000
1998-03-01	4364000000
1998-04-01	3634000000
1998-05-01	4175000000
1998-06-01	4167000000
1998-07-01	4192000000
1998-08-01	3729000000
1998-09-01	3660000000
1998-10-01	3652000000
1998-11-01	3525000000
1998-12-01	3842000000
1999-01-01	2227000000
1999-02-01	2788000000
1999-03-01	3045000000
1999-04-01	3334000000
1999-05-01	3409000000
1999-06-01	3602000000
1999-07-01	3618000000
1999-08-01	2718000000
1999-09-01	3644000000
1999-10-01	3559000000
1999-11-01	3848000000
1999-12-01	4434000000
2000-01-01	3229066600
2000-02-01	3931495500
2000-03-01	4164052900
2000-04-01	4491493900
2000-05-01	4698033600
2000-06-01	4964508600
2000-07-01	4677509500
2000-08-01	4879027600
2000-09-01	4643519100
2000-10-01	5024136200
2000-11-01	5362479600
2000-12-01	4437497400
2001-01-01	4071580200
2001-02-01	3594475600
2001-03-01	3108974900
2001-04-01	3037989200
2001-05-01	3558810100
2001-06-01	3298940800
2001-07-01	3436567000
2001-08-01	3502144400
2001-09-01	3424976600
2001-10-01	3364478600
2001-11-01	3559438000
2001-12-01	3440707600
2002-01-01	3432188100
2002-02-01	3038170500
2002-03-01	3938696100
2002-04-01	4212570900
2002-05-01	4304487400
2002-06-01	3936731200
2002-07-01	4599927500
2002-08-01	4418816500
2002-09-01	4509887600
2002-10-01	4830104000
2002-11-01	4962304900
2002-12-01	5369912600
2003-01-01	4425556000
2003-02-01	4186023100
2003-03-01	5755548900
2003-04-01	5211102100
2003-05-01	5531854700
2003-06-01	5727244200
2003-07-01	6267433200
2003-08-01	5974766900
2003-09-01	6205528400
2003-10-01	6575387500
2003-11-01	5244962700
2003-12-01	8234284400
2004-01-01	6329957000
2004-02-01	6139441800
2004-03-01	8451887700
2004-04-01	7932034300
2004-05-01	7990553400
2004-06-01	8467764900
2004-07-01	8728466100
2004-08-01	7883361800
2004-09-01	8486551700
2004-10-01	8087592000
2004-11-01	8568139800
2004-12-01	10474015700
2005-01-01	7219679900
2005-02-01	8323736800
2005-03-01	10196352900
2005-04-01	9595500300
2005-05-01	9811620500
2005-06-01	9947498900
2005-07-01	9596123000
2005-08-01	10272181400
2005-09-01	10365939000
2005-10-01	10089811700
2005-11-01	9673128900
2005-12-01	11682577600
2006-01-01	8145534800
2006-02-01	9796220200
2006-03-01	11605026100
2006-04-01	11587102000
2006-05-01	12694201600
2006-06-01	12465724900
2006-07-01	11709384300
2006-08-01	12276087600
2006-09-01	12152978700
2006-10-01	11199556800
2006-11-01	12896574500
2006-12-01	13047782700
2007-01-01	10591885800
2007-02-01	11383177900
2007-03-01	13234192500
2007-04-01	12919281400
2007-05-01	14935155000
2007-06-01	14265946900
2007-07-01	15214033500
2007-08-01	14681668000
2007-09-01	14459084100
2007-10-01	15626532500
2007-11-01	16631882800
2007-12-01	16119874200
2008-01-01	16338588900
2008-02-01	16026520600
2008-03-01	16812088300
2008-04-01	17889469600
2008-05-01	19306133000
2008-06-01	19476568100
2008-07-01	20557428100
2008-08-01	19251335300
2008-09-01	17884561800
2008-10-01	14942454500
2008-11-01	12073504700
2008-12-01	11404921100
2009-01-01	9281137600
2009-02-01	9074663800
2009-03-01	10522038200
2009-04-01	10120319400
2009-05-01	10867698200
2009-06-01	12500590900
2009-07-01	12856285900
2009-08-01	12811166000
2009-09-01	12485004300
2009-10-01	12772506100
2009-11-01	12617535400
2009-12-01	15019475500
2010-01-01	11689392300
2010-02-01	11754390900
2010-03-01	15056811500
2010-04-01	15007022700
2010-05-01	14670896200
2010-06-01	15252326000
2010-07-01	15990541200
2010-08-01	15443423500
2010-09-01	15717934600
2010-10-01	17317947800
2010-11-01	17118739000
2010-12-01	20511623000
2011-01-01	16878565200
2011-02-01	17530774800
2011-03-01	21739816400
2011-04-01	21053435300
2011-05-01	21073026100
2011-06-01	21590131300
2011-07-01	21146017900
2011-08-01	19626572700
2011-09-01	21181893800
2011-10-01	20040382200
2011-11-01	18614962300
2011-12-01	20600659800
2012-01-01	17596298400
2012-02-01	17891655300
2012-03-01	20726914000
2012-04-01	19350090000
2012-05-01	21723439700
2012-06-01	20487181200
2012-07-01	20896018600
2012-08-01	18866431300
2012-09-01	19977124200
2012-10-01	18840896700
2012-11-01	21093939900
2012-12-01	19860414200
2013-01-01	18866624400
2013-02-01	19424727400
2013-03-01	20563602600
2013-04-01	22842319600
2013-05-01	23231163500
2013-06-01	20934672300
2013-07-01	23001848800
2013-08-01	18122217300
2013-09-01	20597564000
2013-10-01	19533327800
2013-11-01	21420867800
2013-12-01	23050528500
2014-01-01	19156517000
2014-02-01	18211650400
2014-03-01	19957613400
2014-04-01	20714012700
2014-05-01	20880289900
2014-06-01	20789572900
2014-07-01	19999131100
2014-08-01	19466048900
2014-09-01	20504424100
2014-10-01	19201968000
2014-11-01	21432191900
2014-12-01	21708243200
2015-01-01	16588039200
2015-02-01	16888773900
2015-03-01	18643119800
2015-04-01	18331651600
2015-05-01	17906233800
2015-06-01	18195154100
2015-07-01	18231857800
2015-08-01	15876648900
2015-09-01	15364899800
2015-10-01	17013205000
2015-11-01	15977762900
2015-12-01	18012919100
2016-01-01	13465147200
2016-02-01	15626124800
2016-03-01	17829122900
2016-04-01	16230266800
2016-05-01	17141609300
2016-06-01	19498868200
2016-07-01	14695840000
2016-08-01	16649119900
2016-09-01	15308669000
2016-10-01	16990352600
2016-11-01	16780317400
2016-12-01	18353230200
2017-01-01	15525625800
2017-02-01	15868950400
2017-03-01	19018531900
2017-04-01	17805778400
2017-05-01	20928161900
2017-06-01	19199452200
2017-07-01	21501090500
2017-08-01	19223988700
2017-09-01	20002152800
2017-10-01	21113862800
2017-11-01	20466323600
2017-12-01	23102187300
2018-01-01	21568385300
2018-02-01	18964827200
2018-03-01	21375048800