Month	Dollars
1950-12-01	129000000
1951-12-01	19000000
1952-12-01	104000000
1953-12-01	212000000
1954-12-01	556300000
1955-12-01	1033330000
1956-12-01	387270000
1957-01-01	214270000
1957-02-01	190280000
1957-03-01	164280000
1957-04-01	160000000
1957-05-01	127000000
1957-06-01	118000000
1957-07-01	229000000
1957-08-01	156000000
1957-09-01	103000000
1957-10-01	75000000
1957-11-01	61000000
1957-12-01	64000000
1958-01-01	79000000
1958-02-01	80000000
1958-03-01	120000000
1958-04-01	88000000
1958-05-01	45000000
1958-06-01	109000000
1958-07-01	148000000
1958-08-01	181000000
1958-09-01	225000000
1958-10-01	272000000
1958-11-01	290000000
1958-12-01	300000000
1959-01-01	311000000
1959-02-01	423000000
1959-03-01	442000000
1959-04-01	583000000
1959-05-01	645000000
1959-06-01	735000000
1959-07-01	834000000
1959-08-01	945000000
1959-09-01	936000000
1959-10-01	856000000
1959-11-01	686740000
1959-12-01	445740000
1960-01-01	468740000
1960-02-01	498740000
1960-03-01	547760000
1960-04-01	548790000
1960-05-01	583790000
1960-06-01	506790000
1960-07-01	498790000
1960-08-01	600790000
1960-09-01	553790000
1960-10-01	583820000
1960-11-01	643900000
1960-12-01	630910000
1961-01-01	708910000
1961-02-01	797910000
1961-03-01	726930000
1961-04-01	746930000
1961-05-01	841940000
1961-06-01	986940000
1961-07-01	1169940000
1961-08-01	1122950000
1961-09-01	1136450000
1961-10-01	1160450000
1961-11-01	1190450000
1961-12-01	1244460000
1962-01-01	1305460000
1962-02-01	1326500000
1962-03-01	1448480000
1962-04-01	1509480000
1962-05-01	1655480000
1962-06-01	1701490000
1962-07-01	1353490000
1962-08-01	1402490000
1962-09-01	1487520000
1962-10-01	1541530000
1962-11-01	1612530000
1962-12-01	1461540000
1963-01-01	1556550000
1963-02-01	1654550000
1963-03-01	1727550000
1963-04-01	1750560000
1963-05-01	1866570000
1963-06-01	1878570000
1963-07-01	1691470000
1963-08-01	1738490000
1963-09-01	1736490000
1963-10-01	1699510000
1963-11-01	1739510000
1963-12-01	1732540000
1964-01-01	1721550000
1964-02-01	1706310000
1964-03-01	1680570000
1964-04-01	1668580000
1964-05-01	1778580000
1964-06-01	1832580000
1964-07-01	1863480000
1964-08-01	1829860000
1964-09-01	1812580000
1964-10-01	1823150000
1964-11-01	1886150000
1964-12-01	1995170000
1965-01-01	1883660000
1965-02-01	1919670000
1965-03-01	1761190000
1965-04-01	1762180000
1965-05-01	1741190000
1965-06-01	1718510000
1965-07-01	1723020000
1965-08-01	1712510000
1965-09-01	1691510000
1965-10-01	1648550000
1965-11-01	1695370000
1965-12-01	1637380000
1966-01-01	1619890000
1966-02-01	1614390000
1966-03-01	1655420000
1966-04-01	1705210000
1966-05-01	1698880000
1966-06-01	1722870000
1966-07-01	1780240000
1966-08-01	1734280000
1966-09-01	1637100000
1966-10-01	1605130000
1966-11-01	1546150000
1966-12-01	1494770000
1967-01-01	1487790000
1967-02-01	1494790000
1967-03-01	1479610000
1967-04-01	1491230000
1967-05-01	1421540000
1967-06-01	1452950000
1967-07-01	1496040000
1967-08-01	1502850000
1967-09-01	1516350000
1967-10-01	1537310000
1967-11-01	1826370000
1967-12-01	1759890000
1968-01-01	1702160000
1968-02-01	1682280000
1968-03-01	1671290000
1968-04-01	1681400000
1968-05-01	1371670000
1968-06-01	778330000
1968-07-01	274000000
1968-08-01	235000000
1968-09-01	208110000
1968-10-01	136880000
1968-11-01	109850000
1968-12-01	323870000
1969-01-01	338910000
1969-02-01	248920000
1969-03-01	159930000
1969-04-01	48950000
1969-05-01	85840000
1969-06-01	58840000
1969-07-01	43850000
1969-08-01	230850000
1969-09-01	461000000
1969-10-01	366000000
1969-11-01	442000000
1969-12-01	286000000
1970-01-01	504480000
1970-02-01	578480000
1970-03-01	582480000
1970-04-01	653440000
1970-05-01	766440000
1970-06-01	904440000
1970-07-01	1114440000
1970-08-01	1176440000
1970-09-01	1206440000
1970-10-01	1247440000
1970-11-01	1424440000
1970-12-01	1428440000
1971-01-01	1813940000
1971-02-01	1872940000
1971-03-01	1963440000
1971-04-01	2034500000
1971-05-01	2104500000
1971-06-01	2131500000
1971-07-01	2629500000
1971-08-01	4105430000
1971-09-01	3786970000
1971-10-01	3749290000
1971-11-01	3970880000
1971-12-01	4428039600
1972-01-01	4585085200
1972-02-01	4649717800
1972-03-01	4644084700
1972-04-01	4641989700
1972-05-01	4650629800
1972-06-01	5572412100
1972-07-01	6097792400
1972-08-01	6134557000
1972-09-01	6193121500
1972-10-01	6189495200
1972-11-01	6192654600
1972-12-01	6188645500
1973-01-01	6175528900
1973-02-01	6380340200
1973-03-01	6921627200
1973-04-01	7201316700
1973-05-01	7348524100
1973-06-01	7323830600
1973-07-01	7338739800
1973-08-01	6975863000
1973-09-01	6961875000
1973-10-01	5875298000
1973-11-01	4288879500
1973-12-01	4267674500
1974-01-01	4019927400
1974-02-01	3846348600
1974-03-01	3864433100
1974-04-01	3863033700
1974-05-01	3881553000
1974-06-01	3906038100
1974-07-01	4047835900
1974-08-01	4227783100
1974-09-01	4324318500
1974-10-01	4685892500
1974-11-01	4725522600
1974-12-01	4525870900
1975-01-01	4630073000
1975-02-01	4774772500
1975-03-01	4968390400
1975-04-01	5208129100
1975-05-01	5683170100
1975-06-01	6149338700
1975-07-01	5963449500
1975-08-01	6312019600
1975-09-01	6534126500
1975-10-01	7577948400
1975-11-01	8081716800
1975-12-01	8457031300
1976-01-01	8164510800
1976-02-01	7256514000
1976-03-01	7049585500
1976-04-01	5609999300
1976-05-01	5573601700
1976-06-01	5553506900
1976-07-01	5297082300
1976-08-01	5250098600
1976-09-01	5280247000
1976-10-01	5505436800
1976-11-01	5525446900
1976-12-01	5619869300
1977-01-01	5703326900
1977-02-01	5740370400
1977-03-01	5732040800
1977-04-01	5849476300
1977-05-01	5920380700
1977-06-01	6080445400
1977-07-01	5792880600
1977-08-01	5829599600
1977-09-01	5848375600
1977-10-01	5879976300
1977-11-01	5803670500
1977-12-01	5872089000
1978-01-01	5888181100
1978-02-01	5626894100
1978-03-01	5830630000
1978-04-01	6238821000
1978-05-01	6874580200
1978-06-01	7173280700
1978-07-01	7991545600
1978-08-01	8280546700
1978-09-01	8515578300
1978-10-01	8595213000
1978-11-01	8792071200
1978-12-01	9278084200
1979-01-01	9977649500
1979-02-01	10263671700
1979-03-01	15162763300
1979-04-01	15285145700
1979-05-01	15301735200
1979-06-01	15378496600
1979-07-01	15893986300
1979-08-01	15933916500
1979-09-01	15821918100
1979-10-01	16483112500
1979-11-01	16659838500
1979-12-01	17579258600
1980-01-01	19575878000
1980-02-01	20120966100
1980-03-01	21064546900
1980-04-01	25398701400
1980-05-01	25656145000
1980-06-01	25741405500
1980-07-01	27254569100
1980-08-01	27575838900
1980-09-01	27685854500
1980-10-01	28544039100
1980-11-01	28580126300
1980-12-01	27340321300
1981-01-01	28722572300
1981-02-01	29635383900
1981-03-01	30106645600
1981-04-01	30047274700
1981-05-01	29493467700
1981-06-01	25448248600
1981-07-01	24844650400
1981-08-01	23539067400
1981-09-01	21894516000
1981-10-01	21722530200
1981-11-01	21836806500
1981-12-01	22261750900
1982-01-01	20394667100
1982-02-01	20558164100
1982-03-01	19466782700
1982-04-01	17313456200
1982-05-01	15775058900
1982-06-01	15178365600
1982-07-01	15361075100
1982-08-01	13866799300
1982-09-01	12918235600
1982-10-01	13042738800
1982-11-01	13348853900
1982-12-01	16530648500
1983-01-01	19476402000
1983-02-01	17112173200
1983-03-01	16015722600
1983-04-01	18462104500
1983-05-01	18701459000
1983-06-01	17720305500
1983-07-01	20241170400
1983-08-01	20628076000
1983-09-01	20438021600
1983-10-01	20513194400
1983-11-01	20631212200
1983-12-01	19851011400
1984-01-01	19466971900
1984-02-01	19325413900
1984-03-01	20358407500
1984-04-01	20724005200
1984-05-01	21089535000
1984-06-01	21186419800
1984-07-01	21784989900
1984-08-01	22047215000
1984-09-01	22118759200
1984-10-01	22265230800
1984-11-01	22352097500
1984-12-01	20939510700
1985-01-01	20982514800
1985-02-01	21358538400
1985-03-01	21525017400
1985-04-01	22138603100
1985-05-01	22904054000
1985-06-01	23645777500
1985-07-01	23525993300
1985-08-01	22518336600
1985-09-01	23037915900
1985-10-01	23166678500
1985-11-01	23626896100
1985-12-01	26588573800
1986-01-01	26117776100
1986-02-01	26594359800
1986-03-01	26503729600
1986-04-01	31836476700
1986-05-01	31871633800
1986-06-01	34586467000
1986-07-01	32250420000
1986-08-01	33651338100
1986-09-01	33604683900
1986-10-01	32656759300
1986-11-01	31189527600
1986-12-01	31453846100
1987-01-01	29829014100
1987-02-01	31801374400
1987-03-01	31824788600
1987-04-01	33379296500
1987-05-01	31528737200
1987-06-01	32202830200
1987-07-01	32177622100
1987-08-01	31809693000
1987-09-01	31084064500
1987-10-01	30885660500
1987-11-01	29779265100
1987-12-01	33049483300
1988-01-01	34750715900
1988-02-01	31199086800
1988-03-01	31315571200
1988-04-01	31220439500
1988-05-01	31464888800
1988-06-01	29770613400
1988-07-01	30028584900
1988-08-01	29327703300
1988-09-01	28297591600
1988-10-01	26247567300
1988-11-01	26284873800
1988-12-01	25364490400
1989-01-01	25023360600
1989-02-01	25035255900
1989-03-01	25346655200
1989-04-01	25741617400
1989-05-01	26372301600
1989-06-01	25102779900
1989-07-01	25608319700
1989-08-01	25753256600
1989-09-01	25621591800
1989-10-01	24789212400
1989-11-01	24420384700
1989-12-01	24611054600
1990-01-01	24336925000
1990-02-01	24810860400
1990-03-01	25431842700
1990-04-01	28089716100
1990-05-01	28039015400
1990-06-01	28578652800
1990-07-01	28381990500
1990-08-01	28642392300
1990-09-01	31885292300
1990-10-01	34288423100
1990-11-01	36257537300
1990-12-01	36777716900
1991-01-01	35758277300
1991-02-01	36340438200
1991-03-01	36109196000
1991-04-01	35177487400
1991-05-01	34178938600
1991-06-01	32001012800
1991-07-01	33338617300
1991-08-01	33534481400
1991-09-01	34451766100
1991-10-01	33930027100
1991-11-01	30519834700
1991-12-01	31284003900
1992-01-01	30461648600
1992-02-01	32698786000
1992-03-01	32850152300
1992-04-01	33818446900
1992-05-01	33861146700
1992-06-01	33545329900
1992-07-01	32522634300
1992-08-01	31662319300
1992-09-01	29088428500
1992-10-01	33813572400
1992-11-01	31547974400
1992-12-01	27028313700
1993-01-01	30077283000
1993-02-01	33024819100
1993-03-01	29888141400
1993-04-01	33976224700
1993-05-01	33225769800
1993-06-01	32083230200
1993-07-01	26573293700
1993-08-01	35210590400
1993-09-01	29444857500
1993-10-01	28816718900
1993-11-01	22250733900
1993-12-01	22648736200
1994-01-01	24183932600
1994-02-01	23874965800
1994-03-01	24153753500
1994-04-01	24573395300
1994-05-01	24876076300
1994-06-01	25536092900
1994-07-01	24923576700
1994-08-01	24934509200
1994-09-01	25005384800
1994-10-01	25023180700
1994-11-01	24973656800
1994-12-01	26257269100
1995-01-01	26577172500
1995-02-01	26617828600
1995-03-01	26768844300
1995-04-01	26070075200
1995-05-01	26090914200
1995-06-01	27128821700
1995-07-01	27181161100
1995-08-01	27153032300
1995-09-01	27185975300
1995-10-01	27197467400
1995-11-01	27206913300
1995-12-01	26853225700
1996-01-01	26853560500
1996-02-01	26954663300
1996-03-01	26930039900
1996-04-01	27231477400
1996-05-01	27241472600
1996-06-01	26719793600
1996-07-01	26879293100
1996-08-01	26891228300
1996-09-01	26842936200
1996-10-01	26890997100
1996-11-01	26942278700
1996-12-01	26796028300
1997-01-01	27106999700
1997-02-01	27838655700
1997-03-01	28682664400
1997-04-01	30177737300
1997-05-01	30238676500
1997-06-01	28966090600
1997-07-01	28925371000
1997-08-01	29010925300
1997-09-01	29122757200
1997-10-01	29722604400
1997-11-01	30203666800
1997-12-01	30927488500
1998-01-01	31500623300
1998-02-01	32115204500
1998-03-01	33017294600
1998-04-01	36543311800
1998-05-01	37978362900
1998-06-01	38661522700
1998-07-01	39863380600
1998-08-01	41113732600
1998-09-01	42265025200
1998-10-01	42759798100
1998-11-01	45855469000
1998-12-01	44311701400
1999-01-01	33266567000
1999-02-01	33088276100
1999-03-01	37083658200
1999-04-01	36292340800
1999-05-01	36996526400
1999-06-01	38690423600
1999-07-01	39356324300
1999-08-01	39721407600
1999-09-01	39413646600
1999-10-01	38688893600
1999-11-01	38123022100
1999-12-01	39701497500
2000-01-01	40326116400
2000-02-01	40784713500
2000-03-01	38464242900
2000-04-01	40666402600
2000-05-01	43078454400
2000-06-01	40875487000
2000-07-01	39643451100
2000-08-01	38472823600
2000-09-01	36728986100
2000-10-01	37733398000
2000-11-01	38333403300
2000-12-01	37039215400
2001-01-01	37870568000
2001-02-01	36458735600
2001-03-01	37856256400
2001-04-01	35302633500
2001-05-01	36256165500
2001-06-01	36731315000
2001-07-01	36498915300
2001-08-01	35468758000
2001-09-01	35250298600
2001-10-01	33793913900
2001-11-01	32488135700
2001-12-01	31749074700
2002-01-01	30822133700
2002-02-01	29896409400
2002-03-01	29837980400
2002-04-01	27059423300
2002-05-01	27895070600
2002-06-01	29672368700
2002-07-01	30285592600
2002-08-01	30172600000
2002-09-01	29877352500
2002-10-01	28740371600
2002-11-01	29058596900
2002-12-01	28365363500
2003-01-01	27606507300
2003-02-01	28346869700
2003-03-01	27472840000
2003-04-01	27817188300
2003-05-01	28579975600
2003-06-01	29465969000
2003-07-01	28651997000
2003-08-01	29224594600
2003-09-01	29639259100
2003-10-01	30697466100
2003-11-01	30315049500
2003-12-01	30186499100
2004-01-01	34731075200
2004-02-01	29827987900
2004-03-01	28975038200
2004-04-01	30493990400
2004-05-01	28963214700
2004-06-01	30607786000
2004-07-01	33291108000
2004-08-01	32173161900
2004-09-01	32534350200
2004-10-01	34313478200
2004-11-01	35601440900
2004-12-01	35314051300
2005-01-01	38272646900
2005-02-01	35648707700
2005-03-01	33877267700
2005-04-01	36409474000
2005-05-01	34035398500
2005-06-01	32690555200
2005-07-01	30890411900
2005-08-01	31869755200
2005-09-01	30529875200
2005-10-01	29672026700
2005-11-01	29905260500
2005-12-01	27752841200
2006-01-01	28996232900
2006-02-01	29373889300
2006-03-01	28728018600
2006-04-01	31326917400
2006-05-01	33534497800
2006-06-01	32402268400
2006-07-01	33178679200
2006-08-01	35354376100
2006-09-01	37555434000
2006-10-01	38591182400
2006-11-01	38794478900
2006-12-01	42651633400
2007-01-01	42102238000
2007-02-01	43840865400
2007-03-01	43903945600
2007-04-01	44142155200
2007-05-01	42549129600
2007-06-01	43081845700
2007-07-01	46197232600
2007-08-01	48008008200
2007-09-01	49414748500
2007-10-01	51812930200
2007-11-01	50913292100
2007-12-01	45709714700
2008-01-01	51926062100
2008-02-01	44907311500
2008-03-01	49650369000
2008-04-01	48987494200
2008-05-01	46591175600
2008-06-01	45891635400
2008-07-01	49697502200
2008-08-01	44890562900
2008-09-01	41493298100
2008-10-01	41388460100
2008-11-01	37195477500
2008-12-01	33617468000
2009-01-01	27694310600
2009-02-01	24684779100
2009-03-01	25162978000
2009-04-01	25791894500
2009-05-01	28596334900
2009-06-01	29043470000
2009-07-01	30691023700
2009-08-01	43780492500
2009-09-01	45167172100
2009-10-01	45320408100
2009-11-01	46205389900
2009-12-01	46633486200
2010-01-01	44162935400
2010-02-01	46649437300
2010-03-01	48071509300
2010-04-01	48494367000
2010-05-01	46090622900
2010-06-01	45601952200
2010-07-01	47800855000
2010-08-01	50726234500
2010-09-01	52185576800
2010-10-01	51568329600
2010-11-01	52929836000
2010-12-01	55799968000
2011-01-01	56417281200
2011-02-01	58412663900
2011-03-01	60966199600
2011-04-01	57513131100
2011-05-01	61661017300
2011-06-01	60253262000
2011-07-01	59529615900
2011-08-01	56497097800
2011-09-01	51816772700
2011-10-01	52883483600
2011-11-01	48692022300
2011-12-01	48611516700
2012-01-01	50514038700
2012-02-01	50572235400
2012-03-01	49154450800
2012-04-01	50163290800
2012-05-01	49630521000
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