Month	Dollars
1950-12-01	25300000
1951-12-01	36800000
1952-12-01	81400000
1953-12-01	107300000
1954-12-01	105500000
1955-12-01	94800000
1956-12-01	97200000
1957-01-01	98900000
1957-02-01	101400000
1957-03-01	102900000
1957-04-01	103700000
1957-05-01	103800000
1957-06-01	104900000
1957-07-01	104700000
1957-08-01	105000000
1957-09-01	104300000
1957-10-01	107900000
1957-11-01	110700000
1957-12-01	114100000
1958-01-01	118000000
1958-02-01	118900000
1958-03-01	120000000
1958-04-01	122600000
1958-05-01	114900000
1958-06-01	116900000
1958-07-01	120200000
1958-08-01	124000000
1958-09-01	126700000
1958-10-01	130000000
1958-11-01	134400000
1958-12-01	144900000
1959-01-01	146200000
1959-02-01	145400000
1959-03-01	147800000
1959-04-01	149100000
1959-05-01	143100000
1959-06-01	145100000
1959-07-01	146900000
1959-08-01	148400000
1959-09-01	149000000
1959-10-01	149900000
1959-11-01	145100000
1959-12-01	145500000
1960-01-01	144100000
1960-02-01	142000000
1960-03-01	139300000
1960-04-01	139100000
1960-05-01	134000000
1960-06-01	137300000
1960-07-01	139000000
1960-08-01	142800000
1960-09-01	147600000
1960-10-01	151600000
1960-11-01	153000000
1960-12-01	155200000
1961-01-01	155300000
1961-02-01	153200000
1961-03-01	167900000
1961-04-01	170900000
1961-05-01	174300000
1961-06-01	177500000
1961-07-01	181500000
1961-08-01	193900000
1961-09-01	196800000
1961-10-01	200800000
1961-11-01	205600000
1961-12-01	205200000
1962-01-01	208400000
1962-02-01	212100000
1962-03-01	211800000
1962-04-01	206200000
1962-05-01	198000000
1962-06-01	192400000
1962-07-01	184500000
1962-08-01	177200000
1962-09-01	172300000
1962-10-01	168500000
1962-11-01	164800000
1962-12-01	166800000
1963-01-01	152500000
1963-02-01	139800000
1963-03-01	137000000
1963-04-01	129300000
1963-05-01	120800000
1963-06-01	109500000
1963-07-01	105800000
1963-08-01	106700000
1963-09-01	105400000
1963-10-01	106200000
1963-11-01	119600000
1963-12-01	129600000
1964-01-01	134100000
1964-02-01	133800000
1964-03-01	133300000
1964-04-01	130800000
1964-05-01	131600000
1964-06-01	132280000
1964-07-01	128880000
1964-08-01	124880000
1964-09-01	125680000
1964-10-01	131480000
1964-11-01	128680000
1964-12-01	133580000
1965-01-01	136180000
1965-02-01	133980000
1965-03-01	121680000
1965-04-01	119590000
1965-05-01	117290000
1965-06-01	114690000
1965-07-01	114690000
1965-08-01	118290000
1965-09-01	123490000
1965-10-01	128290000
1965-11-01	134590000
1965-12-01	142990000
1966-01-01	146990000
1966-02-01	149300000
1966-03-01	154800000
1966-04-01	160100000
1966-05-01	155800000
1966-06-01	166900000
1966-07-01	175000000
1966-08-01	186000000
1966-09-01	196800000
1966-10-01	210000000
1966-11-01	223400000
1966-12-01	241810000
1967-01-01	252000000
1967-02-01	268000000
1967-03-01	271100000
1967-04-01	294000000
1967-05-01	312000000
1967-06-01	302800000
1967-07-01	309700000
1967-08-01	309220000
1967-09-01	301320000
1967-10-01	314820000
1967-11-01	330220000
1967-12-01	353220000
1968-01-01	357820000
1968-02-01	359820000
1968-03-01	374220000
1968-04-01	386520000
1968-05-01	386520000
1968-06-01	376220000
1968-07-01	380520000
1968-08-01	350020000
1968-09-01	358820000
1968-10-01	367320000
1968-11-01	355020000
1968-12-01	387720000
1969-01-01	382920000
1969-02-01	377420000
1969-03-01	373120000
1969-04-01	372220000
1969-05-01	389320000
1969-06-01	408820000
1969-07-01	443220000
1969-08-01	471220000
1969-09-01	529120000
1969-10-01	522620000
1969-11-01	524320000
1969-12-01	549520000
1970-01-01	537920000
1970-02-01	542460000
1970-03-01	550910000
1970-04-01	551690000
1970-05-01	557790000
1970-06-01	598590000
1970-07-01	599990000
1970-08-01	614390000
1970-09-01	614790000
1970-10-01	584910000
1970-11-01	586910000
1970-12-01	606310000
1971-01-01	590500000
1971-02-01	563100000
1971-03-01	566700000
1971-04-01	566930000
1971-05-01	570430000
1971-06-01	578030000
1971-07-01	575530000
1971-08-01	571930000
1971-09-01	568630000
1971-10-01	553130000
1971-11-01	568330000
1971-12-01	433512700
1972-01-01	431532700
1972-02-01	404632700
1972-03-01	375532700
1972-04-01	372897800
1972-05-01	380697800
1972-06-01	415597800
1972-07-01	457597800
1972-08-01	491097800
1972-09-01	521897800
1972-10-01	545097800
1972-11-01	548097800
1972-12-01	522997800
1973-01-01	569097800
1973-02-01	572452900
1973-03-01	514252900
1973-04-01	534577000
1973-05-01	574477000
1973-06-01	602377000
1973-07-01	622277000
1973-08-01	702677000
1973-09-01	792577000
1973-10-01	819877000
1973-11-01	884912500
1973-12-01	884812500
1974-01-01	881812500
1974-02-01	829812500
1974-03-01	763012500
1974-04-01	685672800
1974-05-01	607436600
1974-06-01	569036600
1974-07-01	443980700
1974-08-01	394553500
1974-09-01	299489000
1974-10-01	230295400
1974-11-01	205333200
1974-12-01	277189600
1975-01-01	283847700
1975-02-01	321985300
1975-03-01	300919700
1975-04-01	441197300
1975-05-01	434254500
1975-06-01	493228100
1975-07-01	548367800
1975-08-01	644154200
1975-09-01	719988000
1975-10-01	821050600
1975-11-01	835422900
1975-12-01	781321700
1976-01-01	786015300
1976-02-01	887356300
1976-03-01	962263400
1976-04-01	1038478700
1976-05-01	1104872700
1976-06-01	1178252000
1976-07-01	1324255100
1976-08-01	1429547500
1976-09-01	1544876300
1976-10-01	1743596000
1976-11-01	1751681800
1976-12-01	1970012100
1977-01-01	1973547300
1977-02-01	1953608000
1977-03-01	2087531500
1977-04-01	2138321700
1977-05-01	2325707600
1977-06-01	2384612600
1977-07-01	2632152400
1977-08-01	2725695500
1977-09-01	2909608000
1977-10-01	2957212600
1977-11-01	2887598000
1977-12-01	2967095700
1978-01-01	2978599900
1978-02-01	2884416100
1978-03-01	2644516200
1978-04-01	2331683900
1978-05-01	2334385600
1978-06-01	2435519200
1978-07-01	2544616900
1978-08-01	2583757800
1978-09-01	2612388800
1978-10-01	2508117100
1978-11-01	2448514700
1978-12-01	2763914000
1979-01-01	2746137300
1979-02-01	2682701100
1979-03-01	2731243900
1979-04-01	2665892700
1979-05-01	2694440400
1979-06-01	2513893800
1979-07-01	2587793600
1979-08-01	2634976300
1979-09-01	2794678900
1979-10-01	3072690400
1979-11-01	2951798100
1979-12-01	2959163400
1980-01-01	2795684000
1980-02-01	2738066000
1980-03-01	2696600400
1980-04-01	2512986300
1980-05-01	2551510900
1980-06-01	2521165200
1980-07-01	3139711300
1980-08-01	3328138300
1980-09-01	3713799400
1980-10-01	3448443000
1980-11-01	3296523600
1980-12-01	2924862800
1981-01-01	2693046500
1981-02-01	2769621400
1981-03-01	2857858700
1981-04-01	2941945200
1981-05-01	2732373100
1981-06-01	2438383800
1981-07-01	2337085000
1981-08-01	2473212300
1981-09-01	2607751100
1981-10-01	2664096100
1981-11-01	2731456800
1981-12-01	2681693200
1982-01-01	2818352700
1982-02-01	2821305800
1982-03-01	2828928800
1982-04-01	3037308500
1982-05-01	2851588900
1982-06-01	2555416700
1982-07-01	2164405700
1982-08-01	2332615600
1982-09-01	2592226100
1982-10-01	2701601500
1982-11-01	2797107600
1982-12-01	2807315500
1983-01-01	2590800600
1983-02-01	2377779800
1983-03-01	2268718600
1983-04-01	1882518100
1983-05-01	2249336300
1983-06-01	2007899100
1983-07-01	2306280700
1983-08-01	2189422600
1983-09-01	2216937100
1983-10-01	2082639200
1983-11-01	2296381700
1983-12-01	2346696300
1984-01-01	1951486700
1984-02-01	1904625000
1984-03-01	1932844300
1984-04-01	2032724100
1984-05-01	2035551600
1984-06-01	2074809700
1984-07-01	2126305700
1984-08-01	2451407400
1984-09-01	2557546600
1984-10-01	2647280500
1984-11-01	2757474900
1984-12-01	2753608100
1985-01-01	2478565400
1985-02-01	2542146600
1985-03-01	2196100500
1985-04-01	2126185700
1985-05-01	1907772000
1985-06-01	1972915900
1985-07-01	2146894100
1985-08-01	2358972300
1985-09-01	2623623300
1985-10-01	3055400600
1985-11-01	3063732000
1985-12-01	2869320700
1986-01-01	2261179100
1986-02-01	2580735300
1986-03-01	2616609300
1986-04-01	2802028800
1986-05-01	2671722500
1986-06-01	2714288500
1986-07-01	3589340900
1986-08-01	3611729100
1986-09-01	3827133700
1986-10-01	3824548700
1986-11-01	3693787700
1986-12-01	3319582500
1987-01-01	3792649100
1987-02-01	4034568300
1987-03-01	3507722300
1987-04-01	3448100700
1987-05-01	3359443300
1987-06-01	3327011700
1987-07-01	3294855100
1987-08-01	3410131400
1987-09-01	3506646200
1987-10-01	3598230300
1987-11-01	4487526500
1987-12-01	3583678600
1988-01-01	4670276700
1988-02-01	5643808600
1988-03-01	6964363700
1988-04-01	7643900800
1988-05-01	8232935200
1988-06-01	8984194000
1988-07-01	9560740900
1988-08-01	10684334800
1988-09-01	11726797100
1988-10-01	12657697600
1988-11-01	13742695200
1988-12-01	12346693900
1989-01-01	13373423500
1989-02-01	13462439800
1989-03-01	14090558400
1989-04-01	14882353700
1989-05-01	15696503300
1989-06-01	15771415100
1989-07-01	14682780300
1989-08-01	16625003700
1989-09-01	17045234100
1989-10-01	17393429300
1989-11-01	17365821300
1989-12-01	15213574200
1990-01-01	13920914000
1990-02-01	13712063300
1990-03-01	13861314100
1990-04-01	14417016000
1990-05-01	14834905000
1990-06-01	14642151100
1990-07-01	15598407100
1990-08-01	15813602900
1990-09-01	15887969400
1990-10-01	16122024400
1990-11-01	16115928800
1990-12-01	14792998100
1991-01-01	14484272000
1991-02-01	14106162500
1991-03-01	12981860700
1991-04-01	13188495100
1991-05-01	13605433900
1991-06-01	13383963700
1991-07-01	13695094400
1991-08-01	13348015400
1991-09-01	13858312900
1991-10-01	13547561400
1991-11-01	13583439600
1991-12-01	13701099300
1992-01-01	13990716700
1992-02-01	14480490000
1992-03-01	14426398400
1992-04-01	15028584500
1992-05-01	15295865500
1992-06-01	14523426600
1992-07-01	15201093200
1992-08-01	15978842300
1992-09-01	15390767600
1992-10-01	15670549000
1992-11-01	16773443700
1992-12-01	17120615600
1993-01-01	17819720300
1993-02-01	18043742200
1993-03-01	18643159300
1993-04-01	19169288200
1993-05-01	19126250100
1993-06-01	18894483100
1993-07-01	18762566400
1993-08-01	18920255000
1993-09-01	19667142100
1993-10-01	19961987200
1993-11-01	21430402600
1993-12-01	20228159000
1994-01-01	20510455100
1994-02-01	20711560200
1994-03-01	20721853900
1994-04-01	20980434800
1994-05-01	21370224100
1994-06-01	21684752400
1994-07-01	21512777300
1994-08-01	21996221800
1994-09-01	22343333100
1994-10-01	23680706400
1994-11-01	23989058200
1994-12-01	25639257400
1995-01-01	26248579100
1995-02-01	26366346400
1995-03-01	26535514900
1995-04-01	27260541600
1995-05-01	27048909500
1995-06-01	28351517100
1995-07-01	30918381200
1995-08-01	31143591800
1995-09-01	31155106000
1995-10-01	32132863700
1995-11-01	33188553100
1995-12-01	32677736700
1996-01-01	33228310200
1996-02-01	35078010500
1996-03-01	33418411600
1996-04-01	35893721700
1996-05-01	36203741300
1996-06-01	36527165200
1996-07-01	35029867000
1996-08-01	33522537000
1996-09-01	32829096700
1996-10-01	33031309600
1996-11-01	33121619200
1996-12-01	34037122900
1997-01-01	31742628500
1997-02-01	30512035400
1997-03-01	29893082000
1997-04-01	30666570300
1997-05-01	32656138000
1997-06-01	34069864700
1997-07-01	33410247100
1997-08-01	31104621100
1997-09-01	30389207400
1997-10-01	30473131800
1997-11-01	24367493400
1997-12-01	20367914300
1998-01-01	23478451800
1998-02-01	26675572400
1998-03-01	29683400800
1998-04-01	35478535300
1998-05-01	38695740100
1998-06-01	40835076100
1998-07-01	42956366500
1998-08-01	45029065900
1998-09-01	46911988100
1998-10-01	48768498300
1998-11-01	49948945000
1998-12-01	51974523200
1999-01-01	53531433400
1999-02-01	55390546000
1999-03-01	57385166000
1999-04-01	59197202800
1999-05-01	61342002800
1999-06-01	61920375600
1999-07-01	64877835500
1999-08-01	64717530200
1999-09-01	65415147900
1999-10-01	66147222800
1999-11-01	69613704500
1999-12-01	73987290700
2000-01-01	76721130800
2000-02-01	79659734300
2000-03-01	83581330600
2000-04-01	84545478100
2000-05-01	86750691700
2000-06-01	90111804100
2000-07-01	90285839300
2000-08-01	91367641400
2000-09-01	92467267900
2000-10-01	92627986100
2000-11-01	93275625600
2000-12-01	96130461100
2001-01-01	95351487100
2001-02-01	95269699200
2001-03-01	94379464600
2001-04-01	93409738200
2001-05-01	93566127100
2001-06-01	94187875400
2001-07-01	96991684400
2001-08-01	98958432300
2001-09-01	100015839200
2001-10-01	100405829700
2001-11-01	101584559800
2001-12-01	102753281200
2002-01-01	104233583000
2002-02-01	105024416100
2002-03-01	106023494900
2002-04-01	107586452300
2002-05-01	109561491300
2002-06-01	112370019300
2002-07-01	115424815100
2002-08-01	116470406400
2002-09-01	116622205300
2002-10-01	116926454600
2002-11-01	118261732800
2002-12-01	121345250900
2003-01-01	122834930800
2003-02-01	123917094900
2003-03-01	123758655900
2003-04-01	123552710300
2003-05-01	128273255700
2003-06-01	131589358400
2003-07-01	132831481700
2003-08-01	136123699100
2003-09-01	141465315800
2003-10-01	143245492300
2003-11-01	150272824500
2003-12-01	155284242300
2004-01-01	157374507100
2004-02-01	162935080500
2004-03-01	163487809900
2004-04-01	163568783800
2004-05-01	166471297100
2004-06-01	166957729100
2004-07-01	167935490000
2004-08-01	170421191900
2004-09-01	174376149100
2004-10-01	178318746000
2004-11-01	192532212300
2004-12-01	198996567400
2005-01-01	199627978500
2005-02-01	202093066500
2005-03-01	205375031900
2005-04-01	206304693700
2005-05-01	206021953200
2005-06-01	204911310600
2005-07-01	205611843800
2005-08-01	206638517800
2005-09-01	206657019500
2005-10-01	207230741400
2005-11-01	208155722600
2005-12-01	210317176800
2006-01-01	216859721900
2006-02-01	215876374500
2006-03-01	217270523900
2006-04-01	222817822600
2006-05-01	224615953600
2006-06-01	225641857900
2006-07-01	225642880000
2006-08-01	226951078300
2006-09-01	228149377500
2006-10-01	229385677900
2006-11-01	234183303800
2006-12-01	238882308000
2007-01-01	240154124900
2007-02-01	242737575700
2007-03-01	243840324700
2007-04-01	247185052700
2007-05-01	250667087200
2007-06-01	250627709000
2007-07-01	254764452200
2007-08-01	255228018100
2007-09-01	257219899400
2007-10-01	260064838400
2007-11-01	261853737600
2007-12-01	262150154200
2008-01-01	261797320800
2008-02-01	262292297300
2008-03-01	264170983700
2008-04-01	260407827300
2008-05-01	258123924200
2008-06-01	258024006100
2008-07-01	247447777100
2008-08-01	243124745100
2008-09-01	239597019800
2008-10-01	212173890300
2008-11-01	200428285800
2008-12-01	201144478900
2009-01-01	201665941000
2009-02-01	201458054000
2009-03-01	206266957800
2009-04-01	212402035800
2009-05-01	226697705000
2009-06-01	231657789100
2009-07-01	237433022200
2009-08-01	245386688000
2009-09-01	254189650100
2009-10-01	264117284000
2009-11-01	270813572500
2009-12-01	269932929700
2010-01-01	273607335400
2010-02-01	270590549300
2010-03-01	272248200900
2010-04-01	278802857800
2010-05-01	270142154200
2010-06-01	274150849900
2010-07-01	285869566800
2010-08-01	285273587500
2010-09-01	289706953300
2010-10-01	293274553300
2010-11-01	290134611800
2010-12-01	291491103600
2011-01-01	295869259100
2011-02-01	297598332800
2011-03-01	298555902200
2011-04-01	307122756100
2011-05-01	305031010000
2011-06-01	304415777100
2011-07-01	309700920500
2011-08-01	310877488200
2011-09-01	302042390400
2011-10-01	309614467800
2011-11-01	306453890600
2011-12-01	304254954900
2012-01-01	309188350900
2012-02-01	313641843900
2012-03-01	313800943200
2012-04-01	314674797600
2012-05-01	308699867100
2012-06-01	310239036300
2012-07-01	311369955000
2012-08-01	313911362200
2012-09-01	319044073500
2012-10-01	320490698800
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