Month	Dollars
1950-12-01	70750000
1951-12-01	71750000
1952-12-01	47750000
1953-12-01	69000000
1954-12-01	62000000
1955-12-01	67000000
1956-12-01	86000000
1957-01-01	84840000
1957-02-01	88840000
1957-03-01	97840000
1957-04-01	106840000
1957-05-01	100840000
1957-06-01	150840000
1957-07-01	173000000
1957-08-01	173000000
1957-09-01	167000000
1957-10-01	170000000
1957-11-01	165000000
1957-12-01	172000000
1958-01-01	173000000
1958-02-01	156000000
1958-03-01	161000000
1958-04-01	150000000
1958-05-01	131000000
1958-06-01	118000000
1958-07-01	109000000
1958-08-01	131000000
1958-09-01	131000000
1958-10-01	125000000
1958-11-01	131000000
1958-12-01	154000000
1959-01-01	166000000
1959-02-01	178000000
1959-03-01	182000000
1959-04-01	179000000
1959-05-01	183000000
1959-06-01	168000000
1959-07-01	143000000
1959-08-01	133000000
1959-09-01	130000000
1959-10-01	133000000
1959-11-01	136000000
1959-12-01	136000000
1960-01-01	108000000
1960-02-01	104000000
1960-03-01	93000000
1960-04-01	91000000
1960-05-01	83000000
1960-06-01	74000000
1960-07-01	68000000
1960-08-01	70000000
1960-09-01	70000000
1960-10-01	76000000
1960-11-01	77000000
1960-12-01	78000000
1961-01-01	63000000
1961-02-01	60000000
1961-03-01	59000000
1961-04-01	61000000
1961-05-01	64000000
1961-06-01	53000000
1961-07-01	54000000
1961-08-01	58000000
1961-09-01	57000000
1961-10-01	65000000
1961-11-01	68000000
1961-12-01	62000000
1962-01-01	73000000
1962-02-01	70000000
1962-03-01	57000000
1962-04-01	49000000
1962-05-01	51000000
1962-06-01	53000000
1962-07-01	68000000
1962-08-01	47000000
1962-09-01	63000000
1962-10-01	57000000
1962-11-01	60000000
1962-12-01	50000000
1963-01-01	46000000
1963-02-01	49000000
1963-03-01	50000000
1963-04-01	43000000
1963-05-01	39000000
1963-06-01	49000000
1963-07-01	39000000
1963-08-01	51000000
1963-09-01	51000000
1963-10-01	46000000
1963-11-01	64000000
1963-12-01	63000000
1964-01-01	10000000
1964-02-01	9000000
1964-03-01	20000000
1964-04-01	8000000
1964-05-01	9000000
1964-06-01	19000000
1964-07-01	6000000
1964-08-01	13000000
1964-09-01	10000000
1964-10-01	13000000
1964-11-01	18000000
1964-12-01	40000000
1965-01-01	19000000
1965-02-01	15000000
1965-03-01	16000000
1965-04-01	12000000
1965-05-01	16000000
1965-06-01	20000000
1965-07-01	11000000
1965-08-01	14000000
1965-09-01	16000000
1965-10-01	25000000
1965-11-01	14000000
1965-12-01	25000000
1966-01-01	38000000
1966-02-01	24000000
1966-03-01	19000000
1966-04-01	17000000
1966-05-01	15000000
1966-06-01	18000000
1966-07-01	21000000
1966-08-01	14000000
1966-09-01	15000000
1966-10-01	14000000
1966-11-01	15000000
1966-12-01	29000000
1967-01-01	17000000
1967-02-01	14000000
1967-03-01	16000000
1967-04-01	15000000
1967-05-01	24000000
1967-06-01	20000000
1967-07-01	12000000
1967-08-01	11000000
1967-09-01	15000000
1967-10-01	14000000
1967-11-01	13000000
1967-12-01	22000000
1968-01-01	20000000
1968-02-01	14000000
1968-03-01	21000000
1968-04-01	25000000
1968-05-01	12000000
1968-06-01	27000000
1968-07-01	15000000
1968-08-01	13000000
1968-09-01	15000000
1968-10-01	18000000
1968-11-01	25000000
1968-12-01	26000000
1969-01-01	29000000
1969-02-01	17000000
1969-03-01	12000000
1969-04-01	14000000
1969-05-01	26000000
1969-06-01	53000000
1969-07-01	45000000
1969-08-01	62000000
1969-09-01	80000000
1969-10-01	107000000
1969-11-01	121000000
1969-12-01	128000000
1970-01-01	110140000
1970-02-01	131140000
1970-03-01	122140000
1970-04-01	123140000
1970-05-01	108140000
1970-06-01	91140000
1970-07-01	93140000
1970-08-01	114140000
1970-09-01	155140000
1970-10-01	190140000
1970-11-01	272140000
1970-12-01	304140000
1971-01-01	307300000
1971-02-01	333300000
1971-03-01	308300000
1971-04-01	286000000
1971-05-01	313000000
1971-06-01	316000000
1971-07-01	350000000
1971-08-01	386500000
1971-09-01	434500000
1971-10-01	483500000
1971-11-01	530000000
1971-12-01	631428600
1972-01-01	719142900
1972-02-01	807665200
1972-03-01	814865300
1972-04-01	758972200
1972-05-01	774537900
1972-06-01	737537900
1972-07-01	803537900
1972-08-01	953537900
1972-09-01	1012080800
1972-10-01	1088080800
1972-11-01	1219080800
1972-12-01	1262080800
1973-01-01	1349080800
1973-02-01	1492089300
1973-03-01	1578089300
1973-04-01	1566872100
1973-05-01	1607872100
1973-06-01	1675872100
1973-07-01	1826872100
1973-08-01	1971872100
1973-09-01	1976872100
1973-10-01	2001872100
1973-11-01	1931872100
1973-12-01	1985872100
1974-01-01	2097872100
1974-02-01	2071872100
1974-03-01	2104872100
1974-04-01	2083752800
1974-05-01	2101752800
1974-06-01	2018752800
1974-07-01	2111526400
1974-08-01	2047296800
1974-09-01	1992995500
1974-10-01	1935569900
1974-11-01	1783428800
1974-12-01	1561691900
1975-01-01	1545745700
1975-02-01	1383302100
1975-03-01	1227563800
1975-04-01	1033401800
1975-05-01	947571500
1975-06-01	1015232900
1975-07-01	1063754700
1975-08-01	1116954200
1975-09-01	1004265600
1975-10-01	1113917100
1975-11-01	1005247600
1975-12-01	943818500
1976-01-01	883766400
1976-02-01	753766100
1976-03-01	756532100
1976-04-01	749235800
1976-05-01	817519200
1976-06-01	769638200
1976-07-01	766654100
1976-08-01	948726600
1976-09-01	913643800
1976-10-01	705611600
1976-11-01	705641700
1976-12-01	990470600
1977-01-01	871295000
1977-02-01	844363200
1977-03-01	630618400
1977-04-01	580210800
1977-05-01	593000000
1977-06-01	721000000
1977-07-01	726000000
1977-08-01	675011600
1977-09-01	666011600
1977-10-01	659796800
1977-11-01	569035500
1977-12-01	638036400
1978-01-01	691084200
1978-02-01	704061300
1978-03-01	743061800
1978-04-01	920887200
1978-05-01	814024400
1978-06-01	786024800
1978-07-01	812025200
1978-08-01	981025400
1978-09-01	1154575700
1978-10-01	1103075400
1978-11-01	987292700
1978-12-01	801299600
1979-01-01	819178300
1979-02-01	752141800
1979-03-01	782141600
1979-04-01	776114500
1979-05-01	1180329900
1979-06-01	1231335700
1979-07-01	1323558700
1979-08-01	1209104000
1979-09-01	1031105400
1979-10-01	895103200
1979-11-01	800196200
1979-12-01	658197600
1980-01-01	590131500
1980-02-01	824846200
1980-03-01	969287600
1980-04-01	948902600
1980-05-01	858040200
1980-06-01	800372700
1980-07-01	854157200
1980-08-01	1186159200
1980-09-01	1190249200
1980-10-01	1181715800
1980-11-01	1157836000
1980-12-01	1077000000
1981-01-01	1305381000
1981-02-01	1212812200
1981-03-01	1102025200
1981-04-01	1102560000
1981-05-01	903080400
1981-06-01	861662000
1981-07-01	1030180400
1981-08-01	1344068000
1981-09-01	1476068700
1981-10-01	1458517200
1981-11-01	1352212500
1981-12-01	928209500
1982-01-01	1281206600
1982-02-01	1179202800
1982-03-01	1290189200
1982-04-01	1261857100
1982-05-01	1271944200
1982-06-01	1084010900
1982-07-01	1170547800
1982-08-01	1263014700
1982-09-01	1229964900
1982-10-01	1113918800
1982-11-01	945118700
1982-12-01	1080121300
1983-01-01	1069475200
1983-02-01	1013081800
1983-03-01	1059790600
1983-04-01	1107040400
1983-05-01	1158023500
1983-06-01	1152362000
1983-07-01	824763700
1983-08-01	907266800
1983-09-01	1123293300
1983-10-01	1126595000
1983-11-01	1274334200
1983-12-01	1288125400
1984-01-01	1033995700
1984-02-01	1149252800
1984-03-01	1206384400
1984-04-01	1133047100
1984-05-01	1002094000
1984-06-01	1161701500
1984-07-01	1049185300
1984-08-01	1078274400
1984-09-01	978697300
1984-10-01	1040803300
1984-11-01	1127975600
1984-12-01	1270680400
1985-01-01	1017657100
1985-02-01	1040502800
1985-03-01	1030615400
1985-04-01	1046556500
1985-05-01	1087350300
1985-06-01	1182524100
1985-07-01	1112390900
1985-08-01	1205933300
1985-09-01	1199744200
1985-10-01	1262515700
1985-11-01	1132758000
1985-12-01	1055929300
1986-01-01	1298568300
1986-02-01	1357824800
1986-03-01	1195234400
1986-04-01	1253356800
1986-05-01	1156146800
1986-06-01	1418295400
1986-07-01	1311246500
1986-08-01	1689225500
1986-09-01	1375431000
1986-10-01	1356878000
1986-11-01	1412177500
1986-12-01	1411594900
1987-01-01	1485410600
1987-02-01	1505540000
1987-03-01	1551261400
1987-04-01	1465929800
1987-05-01	1432659700
1987-06-01	1355689000
1987-07-01	1319191200
1987-08-01	1513155900
1987-09-01	1323716300
1987-10-01	1202787900
1987-11-01	1535387400
1987-12-01	1775836900
1988-01-01	1602558900
1988-02-01	1714382400
1988-03-01	1708239500
1988-04-01	1565927300
1988-05-01	1846766500
1988-06-01	1745197900
1988-07-01	1553284300
1988-08-01	1591595300
1988-09-01	1984666700
1988-10-01	2179459500
1988-11-01	2526160800
1988-12-01	2344492900
1989-01-01	2355088400
1989-02-01	2526014600
1989-03-01	2060077600
1989-04-01	2374840300
1989-05-01	2246206400
1989-06-01	2672295600
1989-07-01	2983448700
1989-08-01	3145537000
1989-09-01	3714619200
1989-10-01	4346532200
1989-11-01	4657606000
1989-12-01	4780460600
1990-01-01	5113196900
1990-02-01	5351638400
1990-03-01	5040120900
1990-04-01	5201651700
1990-05-01	5229705900
1990-06-01	5722873100
1990-07-01	6095988400
1990-08-01	6537251100
1990-09-01	6404467200
1990-10-01	6502477900
1990-11-01	6343669200
1990-12-01	6049535100
1991-01-01	5255647100
1991-02-01	4330593600
1991-03-01	3760159000
1991-04-01	4256035500
1991-05-01	4583073500
1991-06-01	5077207900
1991-07-01	4988823700
1991-08-01	4964040400
1991-09-01	5035075200
1991-10-01	4599026600
1991-11-01	4912569600
1991-12-01	5144174300
1992-01-01	4720124100
1992-02-01	4292879600
1992-03-01	3786581600
1992-04-01	3482503200
1992-05-01	3658519900
1992-06-01	4387656100
1992-07-01	5156217300
1992-08-01	5843852100
1992-09-01	5721528600
1992-10-01	5718829900
1992-11-01	5675540400
1992-12-01	6159412700
1993-01-01	6492845900
1993-02-01	7212503200
1993-03-01	7178202300
1993-04-01	6811996700
1993-05-01	7103111000
1993-06-01	6864304900
1993-07-01	7052879900
1993-08-01	7096529600
1993-09-01	6994629900
1993-10-01	6907760700
1993-11-01	7257837900
1993-12-01	6271512900
1994-01-01	5540743300
1994-02-01	4496407200
1994-03-01	3349838800
1994-04-01	3382801100
1994-05-01	3653148400
1994-06-01	4279148100
1994-07-01	5498039400
1994-08-01	6278863600
1994-09-01	6790500200
1994-10-01	6821993700
1994-11-01	7282210100
1994-12-01	7169313000
1995-01-01	9368777500
1995-02-01	10870666800
1995-03-01	11402818900
1995-04-01	12346335700
1995-05-01	12394743300
1995-06-01	13482854900
1995-07-01	14693900800
1995-08-01	15566807100
1995-09-01	16245692300
1995-10-01	16759218300
1995-11-01	14738833800
1995-12-01	12441845300
1996-01-01	13760913500
1996-02-01	14460270100
1996-03-01	13984019300
1996-04-01	15489315000
1996-05-01	15203565200
1996-06-01	15922821800
1996-07-01	15511366000
1996-08-01	16247821300
1996-09-01	17294209000
1996-10-01	17388116000
1996-11-01	17597041000
1996-12-01	16435819500
1997-01-01	16747747600
1997-02-01	16255646700
1997-03-01	15636710900
1997-04-01	15336852700
1997-05-01	15941240600
1997-06-01	16055319100
1997-07-01	16425485700
1997-08-01	17852906200
1997-09-01	20239959800
1997-10-01	21006559500
1997-11-01	19567749400
1997-12-01	18658335800
1998-01-01	19610469200
1998-02-01	19527699000
1998-03-01	21264703300
1998-04-01	24628629300
1998-05-01	25784346800
1998-06-01	26455562400
1998-07-01	25644139600
1998-08-01	22069034700
1998-09-01	21583011200
1998-10-01	21098591100
1998-11-01	19875883800
1998-12-01	19488810000
1999-01-01	19712067500
1999-02-01	20281777100
1999-03-01	21372901800
1999-04-01	21885505200
1999-05-01	21925055500
1999-06-01	21621375300
1999-07-01	23485314500
1999-08-01	23302242800
1999-09-01	23652264100
1999-10-01	23988810800
1999-11-01	22668641400
1999-12-01	23345860900
2000-01-01	22930438000
2000-02-01	23149387200
2000-03-01	23111245600
2000-04-01	22301308900
2000-05-01	23039394700
2000-06-01	24742383400
2000-07-01	24621966700
2000-08-01	24541209500
2000-09-01	24255419400
2000-10-01	23629488600
2000-11-01	19002563600
2000-12-01	22488441200
2001-01-01	25119218100
2001-02-01	21665944100
2001-03-01	18560301700
2001-04-01	18349542400
2001-05-01	19917529900
2001-06-01	16587936700
2001-07-01	17245507100
2001-08-01	18908260900
2001-09-01	18987350700
2001-10-01	18826802200
2001-11-01	17431217100
2001-12-01	18879204300
2002-01-01	19192177000
2002-02-01	20625895300
2002-03-01	20496324500
2002-04-01	22509715100
2002-05-01	21317981800
2002-06-01	22425884500
2002-07-01	23481604900
2002-08-01	25135370700
2002-09-01	25194702500
2002-10-01	26084448300
2002-11-01	26189791200
2002-12-01	27068604100
2003-01-01	29708808200
2003-02-01	27852053100
2003-03-01	26934455200
2003-04-01	27554634600
2003-05-01	28855950300
2003-06-01	29197955700
2003-07-01	29097348100
2003-08-01	30074940600
2003-09-01	34445727700
2003-10-01	33230503500
2003-11-01	31438388900
2003-12-01	33990987300
2004-01-01	33718748400
2004-02-01	33490109800
2004-03-01	33130161100
2004-04-01	34257649100
2004-05-01	33359115400
2004-06-01	33974817100
2004-07-01	32759665400
2004-08-01	33858011700
2004-09-01	34982956300
2004-10-01	36331636200
2004-11-01	35525060500
2004-12-01	35669143500
2005-01-01	37569932800
2005-02-01	37009625700
2005-03-01	38231978400
2005-04-01	37817813100
2005-05-01	35695658400
2005-06-01	40212038400
2005-07-01	43156991400
2005-08-01	41130241100
2005-09-01	41925918300
2005-10-01	44982320000
2005-11-01	47957818000
2005-12-01	50579001400
2006-01-01	53416809500
2006-02-01	56787257100
2006-03-01	58548569200
2006-04-01	60446380800
2006-05-01	59952017400
2006-06-01	57422704900
2006-07-01	57598526900
2006-08-01	58257656200
2006-09-01	58561255400
2006-10-01	57786603700
2006-11-01	58211378100
2006-12-01	60891881600
2007-01-01	63007297200
2007-02-01	64651125900
2007-03-01	67433821500
2007-04-01	67262009000
2007-05-01	66336521700
2007-06-01	68374876700
2007-07-01	70083055200
2007-08-01	72149117000
2007-09-01	71798472800
2007-10-01	72412949200
2007-11-01	72462624600
2007-12-01	73383889900
2008-01-01	74492798000
2008-02-01	75098903200
2008-03-01	76583242000
2008-04-01	74574012000
2008-05-01	73892541600
2008-06-01	75953821600
2008-07-01	75874340900
2008-08-01	75847318600
2008-09-01	76682474100
2008-10-01	70977438100
2008-11-01	70672705800
2008-12-01	70428064100
2009-01-01	67151778700
2009-02-01	67289166300
2009-03-01	67417642100
2009-04-01	64456172600
2009-05-01	67965524400
2009-06-01	66106104200
2009-07-01	67142375100
2009-08-01	70194487700
2009-09-01	71102452000
2009-10-01	71371840300
2009-11-01	71393789200
2009-12-01	70873658100
2010-01-01	70629849600
2010-02-01	67906317100
2010-03-01	69410992700
2010-04-01	73166493400
2010-05-01	72290173500
2010-06-01	71215954800
2010-07-01	74087579300
2010-08-01	76454899900
2010-09-01	77782416400
2010-10-01	79244254800
2010-11-01	79094310900
2010-12-01	80712976500
2011-01-01	82901446300
2011-02-01	83066066200
2011-03-01	86802344700
2011-04-01	90221366000
2011-05-01	91863394200
2011-06-01	93737103400
2011-07-01	93002527100
2011-08-01	89100269200
2011-09-01	87519109800
2011-10-01	84765371600
2011-11-01	85055747000
2011-12-01	78322384600
2012-01-01	76422379200
2012-02-01	78389356200
2012-03-01	80316944100
2012-04-01	80343990900
2012-05-01	78613686100
2012-06-01	83542209800
2012-07-01	85031804100
2012-08-01	93022618900
2012-09-01	95016069100
2012-10-01	99663418900
2012-11-01	100210245100
2012-12-01	99942631700
2013-01-01	104393872400
2013-02-01	103996957000
2013-03-01	105650706100
2013-04-01	113792617500
2013-05-01	108774228100
2013-06-01	105565547800
2013-07-01	104458623100
2013-08-01	108608059800
2013-09-01	109789575900
2013-10-01	112665955500
2013-11-01	114282465000
2013-12-01	110926749000
2014-01-01	104624608700
2014-02-01	106459426600
2014-03-01	105989013300
2014-04-01	109106178900
2014-05-01	110336410100
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2015-12-01	92920826800
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2016-02-01	93721087800
2016-03-01	95705921600
2016-04-01	96197485200
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2016-07-01	99929371200
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2018-02-01	89422350800
2018-03-01	84700045400
2018-04-01	86836705900
2018-05-01	82836440800
2018-06-01	75565706000
2018-07-01	78335456300
2018-08-01	70271530500
2018-09-01	63913735100