Month	Dollars
1950-12-01	581260000
1951-12-01	203075000
1952-12-01	473470000
1953-12-01	406620000
1954-12-01	496675000
1955-12-01	380060000
1956-12-01	503040000
1957-01-01	312470000
1957-02-01	379375000
1957-03-01	432205000
1957-04-01	425990000
1957-05-01	437750000
1957-06-01	479010000
1957-07-01	480575000
1957-08-01	346675000
1957-09-01	203095000
1957-10-01	552470000
1957-11-01	620330000
1957-12-01	719160000
1958-01-01	814775000
1958-02-01	729835000
1958-03-01	615485000
1958-04-01	411065000
1958-05-01	414365000
1958-06-01	391415000
1958-07-01	405290000
1958-08-01	371405000
1958-09-01	407620000
1958-10-01	360755000
1958-11-01	389080000
1958-12-01	260790000
1959-01-01	315095000
1959-02-01	345165000
1959-03-01	378305000
1959-04-01	403575000
1959-05-01	367230000
1959-06-01	364755000
1959-07-01	383180000
1959-08-01	410340000
1959-09-01	430835000
1959-10-01	265370000
1959-11-01	258265000
1959-12-01	285915000
1960-01-01	304970000
1960-02-01	372700000
1960-03-01	516795000
1960-04-01	411755000
1960-05-01	465005000
1960-06-01	531225000
1960-07-01	593235000
1960-08-01	703060000
1960-09-01	786540000
1960-10-01	886715000
1960-11-01	792985000
1960-12-01	918020000
1961-01-01	889365000
1961-02-01	783860000
1961-03-01	899680000
1961-04-01	845305000
1961-05-01	791430000
1961-06-01	869310000
1961-07-01	780785000
1961-08-01	1414560000
1961-09-01	1553170000
1961-10-01	1544995000
1961-11-01	1292935000
1961-12-01	1051260000
1962-01-01	1133355000
1962-02-01	1090760000
1962-03-01	1046345000
1962-04-01	925085000
1962-05-01	892790000
1962-06-01	814685000
1962-07-01	861805000
1962-08-01	822195000
1962-09-01	770960000
1962-10-01	835880000
1962-11-01	795895000
1962-12-01	727135000
1963-01-01	715190000
1963-02-01	708755000
1963-03-01	868625000
1963-04-01	894870000
1963-05-01	944145000
1963-06-01	761115000
1963-07-01	780255000
1963-08-01	782625000
1963-09-01	718965000
1963-10-01	766105000
1963-11-01	752095000
1963-12-01	663385000
1964-01-01	711460000
1964-02-01	655330000
1964-03-01	691670000
1964-04-01	752545000
1964-05-01	801820000
1964-06-01	756185000
1964-07-01	775750000
1964-08-01	754885000
1964-09-01	727365000
1964-10-01	636075000
1964-11-01	592930000
1964-12-01	178180000
1965-01-01	117310000
1965-02-01	216260000
1965-03-01	217905000
1965-04-01	240765000
1965-05-01	651635000
1965-06-01	566735000
1965-07-01	503490000
1965-08-01	340695000
1965-09-01	614960000
1965-10-01	733030000
1965-11-01	706700000
1965-12-01	739430000
1966-01-01	859640000
1966-02-01	1519005000
1966-03-01	1536350000
1966-04-01	1480005000
1966-05-01	1447140000
1966-06-01	1236025000
1966-07-01	968905000
1966-08-01	1020940000
1966-09-01	1220845000
1966-10-01	1259590000
1966-11-01	1295260000
1966-12-01	1157690000
1967-01-01	1196985000
1967-02-01	1200635000
1967-03-01	1581975000
1967-04-01	1791500000
1967-05-01	1241625000
1967-06-01	1125265000
1967-07-01	1098595000
1967-08-01	909860000
1967-09-01	901135000
1967-10-01	1027850000
1967-11-01	1869445000
1967-12-01	1404970000
1968-01-01	1417300000
1968-02-01	1345115000
1968-03-01	1228900000
1968-04-01	1255695000
1968-05-01	1234595000
1968-06-01	1209415000
1968-07-01	1249125000
1968-08-01	1188475000
1968-09-01	1232230000
1968-10-01	1224680000
1968-11-01	1038585000
1968-12-01	948815000
1969-01-01	960850000
1969-02-01	982580000
1969-03-01	994295000
1969-04-01	1022580000
1969-05-01	941955000
1969-06-01	970640000
1969-07-01	997950000
1969-08-01	967055000
1969-09-01	972730000
1969-10-01	1030200000
1969-11-01	1062820000
1969-12-01	1055075000
1970-01-01	1106810000
1970-02-01	1173120000
1970-03-01	1241505000
1970-04-01	1291505000
1970-05-01	1298505000
1970-06-01	1321945000
1970-07-01	1327190000
1970-08-01	1295880000
1970-09-01	1211190000
1970-10-01	1283400000
1970-11-01	1450460000
1970-12-01	1478765000
1971-01-01	1755615000
1971-02-01	1969210000
1971-03-01	2693010000
1971-04-01	3378000000
1971-05-01	3568985000
1971-06-01	4516330000
1971-07-01	4858205000
1971-08-01	5120280000
1971-09-01	5536280000
1971-10-01	6133280000
1971-11-01	7045280000
1971-12-01	7989091700
1972-01-01	8386942100
1972-02-01	8375986000
1972-03-01	8459670000
1972-04-01	8227672300
1972-05-01	8245672200
1972-06-01	8060672500
1972-07-01	5267554200
1972-08-01	5289968300
1972-09-01	5288968400
1972-10-01	5058968400
1972-11-01	5094968500
1972-12-01	4845968500
1973-01-01	4847936500
1973-02-01	5016805000
1973-03-01	5134805000
1973-04-01	5216805000
1973-05-01	5837805000
1973-06-01	6111805000
1973-07-01	5726805000
1973-08-01	5629118300
1973-09-01	5495118300
1973-10-01	5874118300
1973-11-01	5759118300
1973-12-01	5589118300
1974-01-01	5291118300
1974-02-01	5079118300
1974-03-01	5556231700
1974-04-01	6068231700
1974-05-01	6032231700
1974-06-01	5889566800
1974-07-01	5847816500
1974-08-01	5982840500
1974-09-01	6316247400
1974-10-01	6715966200
1974-11-01	7030421600
1974-12-01	6037666700
1975-01-01	6108684900
1975-02-01	6383895300
1975-03-01	6404315900
1975-04-01	6389137900
1975-05-01	5781735300
1975-06-01	5474613700
1975-07-01	5442055700
1975-08-01	5184454400
1975-09-01	4999685900
1975-10-01	4901882100
1975-11-01	4769038500
1975-12-01	4598682000
1976-01-01	3965895100
1976-02-01	6195885700
1976-03-01	5066168900
1976-04-01	3987075900
1976-05-01	4562413500
1976-06-01	4459472800
1976-07-01	4528023600
1976-08-01	4196538600
1976-09-01	4365327800
1976-10-01	3920830800
1976-11-01	4373755300
1976-12-01	3374874900
1977-01-01	6386781600
1977-02-01	6996945500
1977-03-01	8821350400
1977-04-01	9341614900
1977-05-01	9138822900
1977-06-01	10843939200
1977-07-01	12725477900
1977-08-01	14133490500
1977-09-01	16463109400
1977-10-01	19554255500
1977-11-01	19798797600
1977-12-01	20112073000
1978-01-01	20448518400
1978-02-01	20421271000
1978-03-01	20063937000
1978-04-01	16728928400
1978-05-01	16331972300
1978-06-01	16293036400
1978-07-01	16592565700
1978-08-01	16396994000
1978-09-01	16602738400
1978-10-01	16411609200
1978-11-01	15779637400
1978-12-01	16026061000
1979-01-01	16566547800
1979-02-01	17000925700
1979-03-01	17824037700
1979-04-01	17201892300
1979-05-01	17284156100
1979-06-01	17965709500
1979-07-01	20237583700
1979-08-01	20072154000
1979-09-01	19862258200
1979-10-01	19124435600
1979-11-01	19373359100
1979-12-01	19741871000
1980-01-01	20504854800
1980-02-01	20566608900
1980-03-01	19966872300
1980-04-01	21749560000
1980-05-01	21903907600
1980-06-01	22285454300
1980-07-01	22247853800
1980-08-01	22281027100
1980-09-01	21560876000
1980-10-01	21485343700
1980-11-01	21464433700
1980-12-01	20651489500
1981-01-01	20897631400
1981-02-01	20744555300
1981-03-01	20925125300
1981-04-01	20159992100
1981-05-01	18196087500
1981-06-01	17071699900
1981-07-01	15779843100
1981-08-01	15848556800
1981-09-01	15591672400
1981-10-01	15128872900
1981-11-01	15565066300
1981-12-01	15237477000
1982-01-01	14911654300
1982-02-01	14755378600
1982-03-01	14423555700
1982-04-01	13693809200
1982-05-01	13439845300
1982-06-01	12900900100
1982-07-01	13140889600
1982-08-01	13195385100
1982-09-01	13260545800
1982-10-01	13307171800
1982-11-01	13067035100
1982-12-01	12397351700
1983-01-01	12476757900
1983-02-01	11813614800
1983-03-01	11423318800
1983-04-01	11588203500
1983-05-01	11883205400
1983-06-01	11596614400
1983-07-01	11613960600
1983-08-01	11540994200
1983-09-01	11598665300
1983-10-01	11805703900
1983-11-01	11675386500
1983-12-01	11339808100
1984-01-01	11115103800
1984-02-01	11717035100
1984-03-01	11490055000
1984-04-01	10434397900
1984-05-01	10278713900
1984-06-01	9831906700
1984-07-01	9510084500
1984-08-01	9507622700
1984-09-01	9188133900
1984-10-01	9274409200
1984-11-01	9305465400
1984-12-01	9439873400
1985-01-01	9210404100
1985-02-01	8822070900
1985-03-01	9478951200
1985-04-01	9968858600
1985-05-01	9950156700
1985-06-01	10351436200
1985-07-01	10763080000
1985-08-01	10743336600
1985-09-01	10940939500
1985-10-01	13191903500
1985-11-01	13090110500
1985-12-01	12858925700
1986-01-01	13056296300
1986-02-01	13789986000
1986-03-01	13964949600
1986-04-01	14654648600
1986-05-01	14410768600
1986-06-01	14847840300
1986-07-01	15079530400
1986-08-01	15035665200
1986-09-01	18590168200
1986-10-01	18012172800
1986-11-01	18345097700
1986-12-01	18422772400
1987-01-01	19001094900
1987-02-01	19270801100
1987-03-01	21508616300
1987-04-01	24442749700
1987-05-01	29104770700
1987-06-01	28716208100
1987-07-01	29083478500
1987-08-01	28873581400
1987-09-01	29151165100
1987-10-01	36557220400
1987-11-01	37430674700
1987-12-01	41715188000
1988-01-01	39336413000
1988-02-01	39040549500
1988-03-01	41395126500
1988-04-01	41541102300
1988-05-01	41667185300
1988-06-01	40423737900
1988-07-01	41199724800
1988-08-01	41831305000
1988-09-01	41720233400
1988-10-01	42424383500
1988-11-01	43967108700
1988-12-01	44103206600
1989-01-01	43024842900
1989-02-01	43448121000
1989-03-01	41410450900
1989-04-01	41912705900
1989-05-01	39581107800
1989-06-01	37371418000
1989-07-01	38342025200
1989-08-01	36996370400
1989-09-01	37476607300
1989-10-01	35102939300
1989-11-01	34039268700
1989-12-01	34768468900
1990-01-01	34642680200
1990-02-01	34636290000
1990-03-01	34067375200
1990-04-01	33968902200
1990-05-01	33808085300
1990-06-01	34237426400
1990-07-01	34996174100
1990-08-01	35708783500
1990-09-01	35721603000
1990-10-01	35888736900
1990-11-01	35743752800
1990-12-01	35853462800
1991-01-01	36097317100
1991-02-01	39115167300
1991-03-01	37275226800
1991-04-01	38542526500
1991-05-01	38501924900
1991-06-01	38205763900
1991-07-01	39257887900
1991-08-01	39281375100
1991-09-01	40364907000
1991-10-01	39901887800
1991-11-01	40456382400
1991-12-01	41891984600
1992-01-01	41163649800
1992-02-01	40861016800
1992-03-01	40194074100
1992-04-01	40869316500
1992-05-01	41721617700
1992-06-01	42653674500
1992-07-01	43342523900
1992-08-01	43515062800
1992-09-01	40361410300
1992-10-01	38574098700
1992-11-01	37599957700
1992-12-01	36641027100
1993-01-01	37721368300
1993-02-01	38065627200
1993-03-01	36729261200
1993-04-01	38011791300
1993-05-01	38151004800
1993-06-01	37058522500
1993-07-01	37153391200
1993-08-01	37867262000
1993-09-01	38329283500
1993-10-01	38143235000
1993-11-01	37667997300
1993-12-01	36776667100
1994-01-01	37209123800
1994-02-01	37702920900
1994-03-01	38383452400
1994-04-01	39131268100
1994-05-01	39236743200
1994-06-01	39914998600
1994-07-01	40143146300
1994-08-01	40171461100
1994-09-01	40655985000
1994-10-01	41897908800
1994-11-01	40841254000
1994-12-01	41012669200
1995-01-01	40351106100
1995-02-01	40828428200
1995-03-01	42583088200
1995-04-01	42918343300
1995-05-01	42616397600
1995-06-01	43139659900
1995-07-01	43662983700
1995-08-01	41934591700
1995-09-01	42691573900
1995-10-01	42944768300
1995-11-01	42284501400
1995-12-01	42015608300
1996-01-01	38859041700
1996-02-01	39446334800
1996-03-01	39196327100
1996-04-01	39127165300
1996-05-01	39135709100
1996-06-01	39132763800
1996-07-01	42534166800
1996-08-01	42309654700
1996-09-01	37770706600
1996-10-01	40686033200
1996-11-01	40280717900
1996-12-01	39896220800
1997-01-01	35854578300
1997-02-01	35176903800
1997-03-01	35220892000
1997-04-01	35130974900
1997-05-01	35488835600
1997-06-01	35184782000
1997-07-01	34672932900
1997-08-01	34990060800
1997-09-01	35261297300
1997-10-01	33444576800
1997-11-01	32946953000
1997-12-01	32316815400
1998-01-01	30406719500
1998-02-01	30504406100
1998-03-01	30140884500
1998-04-01	31206653200
1998-05-01	31104251000
1998-06-01	30927580200
1998-07-01	31557459400
1998-08-01	31595569300
1998-09-01	32676630800
1998-10-01	33721190700
1998-11-01	33055217200
1998-12-01	32211547500
1999-01-01	30065792500
1999-02-01	29556643400
1999-03-01	29301637800
1999-04-01	29387772400
1999-05-01	29127994000
1999-06-01	28912714200
1999-07-01	38558109700
1999-08-01	33685849900
1999-09-01	37976243900
1999-10-01	37994763000
1999-11-01	40652499600
1999-12-01	40223855000
2000-01-01	43008884200
2000-02-01	38384797900
2000-03-01	37311518400
2000-04-01	38281241500
2000-05-01	39427359600
2000-06-01	40037108700
2000-07-01	40770363600
2000-08-01	39785587500
2000-09-01	39873635200
2000-10-01	41599573100
2000-11-01	43729779400
2000-12-01	46637828200
2001-01-01	45551588500
2001-02-01	42226701800
2001-03-01	43084963700
2001-04-01	42910725100
2001-05-01	43323190400
2001-06-01	44183778200
2001-07-01	42815074800
2001-08-01	44200227100
2001-09-01	44218447300
2001-10-01	44020996200
2001-11-01	44332943600
2001-12-01	44259360100
2002-01-01	44710556300
2002-02-01	44958563100
2002-03-01	44700022900
2002-04-01	45729469300
2002-05-01	46479309000
2002-06-01	49194093500
2002-07-01	48970902300
2002-08-01	49056290100
2002-09-01	51206281400
2002-10-01	52007964300
2002-11-01	52955661000
2002-12-01	51500494200
2003-01-01	46040418600
2003-02-01	46225038500
2003-03-01	45481025000
2003-04-01	45373227700
2003-05-01	47555596300
2003-06-01	48303465100
2003-07-01	48490559300
2003-08-01	48336865200
2003-09-01	50452172100
2003-10-01	49768287800
2003-11-01	50481689000
2003-12-01	52147831600
2004-01-01	49667662100
2004-02-01	49835463400
2004-03-01	52864289200
2004-04-01	51561589400
2004-05-01	52181207400
2004-06-01	51889760700
2004-07-01	52539502200
2004-08-01	52067965800
2004-09-01	52389775900
2004-10-01	53839147000
2004-11-01	57069278400
2004-12-01	57741110800
2005-01-01	54179929000
2005-02-01	54686655900
2005-03-01	57808046700
2005-04-01	56418002500
2005-05-01	55382476400
2005-06-01	56148734600
2005-07-01	56057988100
2005-08-01	57170767300
2005-09-01	55785516900
2005-10-01	54247991000
2005-11-01	54295580200
2005-12-01	54008878400
2006-01-01	54296310400
2006-02-01	52478352400
2006-03-01	54798102500
2006-04-01	57396041500
2006-05-01	60313317400
2006-06-01	56896709000
2006-07-01	55910157400
2006-08-01	56535477500
2006-09-01	56221479200
2006-10-01	56028776900
2006-11-01	57949825500
2006-12-01	57482618700
2007-01-01	55103998500
2007-02-01	57552621600
2007-03-01	61357594300
2007-04-01	61130887700
2007-05-01	61084291600
2007-06-01	70788157400
2007-07-01	59974204300
2007-08-01	60606414700
2007-09-01	63531937500
2007-10-01	68249092500
2007-11-01	70665475200
2007-12-01	69398720400
2008-01-01	70217049500
2008-02-01	73313392400
2008-03-01	72156890500
2008-04-01	68897705800
2008-05-01	67234478300
2008-06-01	65173358600
2008-07-01	60348063300
2008-08-01	56556521700
2008-09-01	54525989900
2008-10-01	52385441000
2008-11-01	53418426100
2008-12-01	56109851500
2009-01-01	49660340800
2009-02-01	50805493000
2009-03-01	54070700900
2009-04-01	56376573000
2009-05-01	60250968200
2009-06-01	61486725300
2009-07-01	59196755600
2009-08-01	70603185500
2009-09-01	72581209400
2009-10-01	72849352200
2009-11-01	72041959600
2009-12-01	68605671700
2010-01-01	69110110300
2010-02-01	70045844200
2010-03-01	75510870700
2010-04-01	77257429100
2010-05-01	75307944300
2010-06-01	76492332500
2010-07-01	77788265900
2010-08-01	77270454800
2010-09-01	82054655800
2010-10-01	81172485500
2010-11-01	80367107800
2010-12-01	84005539100
2011-01-01	87732800300
2011-02-01	91001020900
2011-03-01	93075460500
2011-04-01	97371206900
2011-05-01	93809770100
2011-06-01	93859118000
2011-07-01	97968194400
2011-08-01	99131205400
2011-09-01	94470124500
2011-10-01	96049464900
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