Month	US Dollars, monthly level
1960-01-01	16283000
1960-02-01	14933000
1960-03-01	17849000
1960-04-01	17196000
1960-05-01	18945000
1960-06-01	17262000
1960-07-01	15698000
1960-08-01	14641000
1960-09-01	16005000
1960-10-01	16437000
1960-11-01	16758000
1960-12-01	17098000
1961-01-01	17517000
1961-02-01	15754000
1961-03-01	18572000
1961-04-01	17520000
1961-05-01	15452000
1961-06-01	15079000
1961-07-01	13632000
1961-08-01	17297000
1961-09-01	15940000
1961-10-01	15744000
1961-11-01	14564000
1961-12-01	15361000
1962-01-01	13854000
1962-02-01	12763000
1962-03-01	15519000
1962-04-01	14602000
1962-05-01	12010000
1962-06-01	14167000
1962-07-01	13093000
1962-08-01	13710000
1962-09-01	14572000
1962-10-01	14158000
1962-11-01	14710000
1962-12-01	13610000
1963-01-01	17650000
1963-02-01	14772000
1963-03-01	15361000
1963-04-01	15590000
1963-05-01	13871000
1963-06-01	13741000
1963-07-01	15724000
1963-08-01	12785000
1963-09-01	14314000
1963-10-01	23412000
1963-11-01	17138000
1963-12-01	16344000
1964-01-01	19850000
1964-02-01	21188000
1964-03-01	18194000
1964-04-01	23648000
1964-05-01	27387000
1964-06-01	20323000
1964-07-01	21013000
1964-08-01	16620000
1964-09-01	29770000
1964-10-01	20136000
1964-11-01	21078000
1964-12-01	19685000
1965-01-01	18790000
1965-02-01	20457000
1965-03-01	21725000
1965-04-01	20747000
1965-05-01	25222000
1965-06-01	21434000
1965-07-01	20883000
1965-08-01	18879000
1965-09-01	19814000
1965-10-01	24363000
1965-11-01	21767000
1965-12-01	22746000
1966-01-01	23219000
1966-02-01	20605000
1966-03-01	27879000
1966-04-01	23017000
1966-05-01	22409000
1966-06-01	24458000
1966-07-01	25385000
1966-08-01	22193000
1966-09-01	24490000
1966-10-01	24226000
1966-11-01	31622000
1966-12-01	26047000
1967-01-01	29307000
1967-02-01	21461000
1967-03-01	30602000
1967-04-01	28446000
1967-05-01	32496000
1967-06-01	29589000
1967-07-01	22526000
1967-08-01	27044000
1967-09-01	23974000
1967-10-01	30416000
1967-11-01	33106000
1967-12-01	26743000
1968-01-01	27007000
1968-02-01	33799000
1968-03-01	31382000
1968-04-01	29089000
1968-05-01	32121000
1968-06-01	28205000
1968-07-01	23087000
1968-08-01	31543000
1968-09-01	27653000
1968-10-01	37746000
1968-11-01	32329000
1968-12-01	39143000
1969-01-01	33718000
1969-02-01	27954000
1969-03-01	35734000
1969-04-01	29024000
1969-05-01	34750000
1969-06-01	30499000
1969-07-01	29537000
1969-08-01	30083000
1969-09-01	29271000
1969-10-01	35701000
1969-11-01	33896000
1969-12-01	29538000
1970-01-01	40331000
1970-02-01	35280000
1970-03-01	31299000
1970-04-01	43473000
1970-05-01	31530000
1970-06-01	34768000
1970-07-01	27009000
1970-08-01	35853000
1970-09-01	39939000
1970-10-01	40108000
1970-11-01	37066000
1970-12-01	43557000
1971-01-01	47556000
1971-02-01	36143000
1971-03-01	44728000
1971-04-01	29176000
1971-05-01	33103000
1971-06-01	36623000
1971-07-01	29770000
1971-08-01	33661000
1971-09-01	44143000
1971-10-01	37182000
1971-11-01	49699000
1971-12-01	59124000
1972-01-01	40140000
1972-02-01	40001000
1972-03-01	58924000
1972-04-01	52534000
1972-05-01	59189000
1972-06-01	38316000
1972-07-01	58699000
1972-08-01	35147000
1972-09-01	58843000
1972-10-01	68512000
1972-11-01	45704000
1972-12-01	64734000
1973-01-01	56008000
1973-02-01	70940000
1973-03-01	65933000
1973-04-01	51489000
1973-05-01	57776000
1973-06-01	80628000
1973-07-01	65860000
1973-08-01	59888000
1973-09-01	54407000
1973-10-01	95524000
1973-11-01	116513000
1973-12-01	67751000
1974-01-01	65363000
1974-02-01	65123000
1974-03-01	89852000
1974-04-01	67630000
1974-05-01	97004000
1974-06-01	76940000
1974-07-01	70271000
1974-08-01	77354000
1974-09-01	68610000
1974-10-01	146701000
1974-11-01	101223000
1974-12-01	118433000
1975-01-01	78304000
1975-02-01	92213000
1975-03-01	61472000
1975-04-01	143272000
1975-05-01	91443000
1975-06-01	129542000
1975-07-01	257625000
1975-08-01	278194000
1975-09-01	88973000
1975-10-01	174585000
1975-11-01	166334000
1975-12-01	146981000
1976-01-01	151539000
1976-02-01	201443000
1976-03-01	165545000
1976-04-01	155431000
1976-05-01	163789000
1976-06-01	196905000
1976-07-01	313212000
1976-08-01	211161000
1976-09-01	174332000
1976-10-01	205091000
1976-11-01	159758000
1976-12-01	224286000
1977-01-01	214340000
1977-02-01	198632000
1977-03-01	209616000
1977-04-01	149984000
1977-05-01	121855000
1977-06-01	415154000
1977-07-01	170165000
1977-08-01	176376000
1977-09-01	215820000
1977-10-01	183996000
1977-11-01	194316000
1977-12-01	254173000
1978-01-01	254733000
1978-02-01	212589000
1978-03-01	255166000
1978-04-01	229809000
1978-05-01	640050000
1978-06-01	635040000
1978-07-01	221774000
1978-08-01	231094000
1978-09-01	223978000
1978-10-01	237071000
1978-11-01	243518000
1978-12-01	246231000
1979-01-01	287836000
1979-02-01	307415000
1979-03-01	318782000
1979-04-01	315069000
1979-05-01	388414000
1979-06-01	316668000
1979-07-01	355091000
1979-08-01	432922000
1979-09-01	444093000
1979-10-01	442287000
1979-11-01	547271000
1979-12-01	528511000
1980-01-01	629560000
1980-02-01	605426000
1980-03-01	634891000
1980-04-01	595092000
1980-05-01	660186000
1980-06-01	600083000
1980-07-01	408569000
1980-08-01	583880000
1980-09-01	577716000
1980-10-01	633745000
1980-11-01	621386000
1980-12-01	626149000
1981-01-01	703934000
1981-02-01	636913000
1981-03-01	693017000
1981-04-01	628704000
1981-05-01	623285000
1981-06-01	596760000
1981-07-01	531793000
1981-08-01	388328000
1981-09-01	584790000
1981-10-01	544701000
1981-11-01	581389000
1981-12-01	607943000
1982-01-01	607951000
1982-02-01	523001000
1982-03-01	529305000
1982-04-01	663321000
1982-05-01	444016000
1982-06-01	526767000
1982-07-01	432626000
1982-08-01	456030000
1982-09-01	484991000
1982-10-01	550931000
1982-11-01	594811000
1982-12-01	576840000
1983-01-01	535554000
1983-02-01	469283000
1983-03-01	540605000
1983-04-01	521573000
1983-05-01	579336000
1983-06-01	433938000
1983-07-01	475534000
1983-08-01	483863000
1983-09-01	479505000
1983-10-01	500068000
1983-11-01	584129000
1983-12-01	562089000
1984-01-01	624811000
1984-02-01	629232000
1984-03-01	570709000
1984-04-01	519857000
1984-05-01	604035000
1984-06-01	647582000
1984-07-01	557817000
1984-08-01	513187000
1984-09-01	412026000
1984-10-01	543010000
1984-11-01	635100000
1984-12-01	635484000
1985-01-01	599291000
1985-02-01	515916000
1985-03-01	639349000
1985-04-01	642209000
1985-05-01	598990000
1985-06-01	513892000
1985-07-01	578513000
1985-08-01	501450000
1985-09-01	560858000
1985-10-01	661386000
1985-11-01	575964000
1985-12-01	545387000
1986-01-01	643279000
1986-02-01	519327000
1986-03-01	511149000
1986-04-01	258992000
1986-05-01	394238000
1986-06-01	360301000
1986-07-01	343304000
1986-08-01	316754000
1986-09-01	342027000
1986-10-01	403173000
1986-11-01	417881000
1986-12-01	459549000
1987-01-01	473954000
1987-02-01	523331000
1987-03-01	512950000
1987-04-01	478924000
1987-05-01	458665000
1987-06-01	424111000
1987-07-01	489393000
1987-08-01	314867000
1987-09-01	489991000
1987-10-01	478792000
1987-11-01	527174000
1987-12-01	563165000
1988-01-01	473403000
1988-02-01	548715000
1988-03-01	510621000
1988-04-01	480476000
1988-05-01	500922000
1988-06-01	475018000
1988-07-01	499359000
1988-08-01	433325000
1988-09-01	464469000
1988-10-01	467627000
1988-11-01	445909000
1988-12-01	511037000
1989-01-01	560047000
1989-02-01	555026000
1989-03-01	630564000
1989-04-01	627367000
1989-05-01	608700000
1989-06-01	596260000
1989-07-01	554565000
1989-08-01	603477000
1989-09-01	561092000
1989-10-01	630913000
1989-11-01	607655000
1989-12-01	607580000
1990-01-01	603532000
1990-02-01	655272000
1990-03-01	627062000
1990-04-01	545690000
1990-05-01	592949000
1990-06-01	575847000
1990-07-01	550957000
1990-08-01	728934000
1990-09-01	903508000
1990-10-01	1083999000
1990-11-01	1060999000
1990-12-01	1011261000
1991-01-01	979954000
1991-02-01	760499000
1991-03-01	725813000
1991-04-01	757801000
1991-05-01	853917000
1991-06-01	670189000
1991-07-01	662645000
1991-08-01	487774000
1991-09-01	802289000
1991-10-01	750223000
1991-11-01	772716000
1991-12-01	788480000
1992-01-01	777272000
1992-02-01	628969000
1992-03-01	771448000
1992-04-01	705462000
1992-05-01	575026000
1992-06-01	690417000
1992-07-01	798068000
1992-08-01	638849000
1992-09-01	754105000
1992-10-01	722679000
1992-11-01	711109000
1992-12-01	737431000
1993-01-01	613429000
1993-02-01	600606000
1993-03-01	767618000
1993-04-01	726077000
1993-05-01	714972000
1993-06-01	653072000
1993-07-01	687238000
1993-08-01	742749000
1993-09-01	526588000
1993-10-01	591923000
1993-11-01	607853000
1993-12-01	577411000
1994-01-01	527799000
1994-02-01	580091000
1994-03-01	569234000
1994-04-01	504316000
1994-05-01	614173000
1994-06-01	547507000
1994-07-01	664911000
1994-08-01	484766000
1994-09-01	659856000
1994-10-01	767262000
1994-11-01	678436000
1994-12-01	648228000
1995-01-01	678212000
1995-02-01	611381000
1995-03-01	745416000
1995-04-01	626604000
1995-05-01	812861000
1995-06-01	687025000
1995-07-01	673103000
1995-08-01	729384000
1995-09-01	670393000
1995-10-01	763704000
1995-11-01	644660000
1995-12-01	653414000
1996-01-01	711036000
1996-02-01	716536000
1996-03-01	794223000
1996-04-01	786988000
1996-05-01	848180000
1996-06-01	785594000
1996-07-01	796490000
1996-08-01	777030000
1996-09-01	703997000
1996-10-01	945988000
1996-11-01	932669000
1996-12-01	911803000
1997-01-01	851546000
1997-02-01	805390000
1997-03-01	811999000
1997-04-01	840234000
1997-05-01	789102000
1997-06-01	758905000
1997-07-01	774016000
1997-08-01	720593000
1997-09-01	778420000
1997-10-01	787958000
1997-11-01	718077000
1997-12-01	711719000
1998-01-01	724612520
1998-02-01	554321763
1998-03-01	873807023
1998-04-01	622074147
1998-05-01	608734907
1998-06-01	674849892
1998-07-01	637154074
1998-08-01	410816513
1998-09-01	584224387
1998-10-01	502718767
1998-11-01	447122518
1998-12-01	410308737
1999-01-01	458865034
1999-02-01	499892201
1999-03-01	558175687
1999-04-01	628754960
1999-05-01	538677085
1999-06-01	601354356
1999-07-01	725663375
1999-08-01	558157234
1999-09-01	771997665
1999-10-01	762150281
1999-11-01	823601906
1999-12-01	863455552
2000-01-01	918013016
2000-02-01	959146347
2000-03-01	1001959256
2000-04-01	905803481
2000-05-01	1004676971
2000-06-01	990535034
2000-07-01	1107944929
2000-08-01	1023780836
2000-09-01	1009909063
2000-10-01	995259594
2000-11-01	1172209433
2000-12-01	1153989558
2001-01-01	989094565
2001-02-01	1092432449
2001-03-01	932906162
2001-04-01	923805524
2001-05-01	1076159825
2001-06-01	978695238
2001-07-01	1025693152
2001-08-01	907016813
2001-09-01	953629770
2001-10-01	877394172
2001-11-01	938316886
2001-12-01	787264482
2002-01-01	838146521
2002-02-01	793658713
2002-03-01	885572804
2002-04-01	1045521622
2002-05-01	862505259
2002-06-01	1018037436
2002-07-01	964100167
2002-08-01	1031473054
2002-09-01	1158042911
2002-10-01	813415618
2002-11-01	885059660
2002-12-01	1210681730
2003-01-01	1223476886
2003-02-01	1256993636
2003-03-01	1276231146
2003-04-01	1169911723
2003-05-01	1063361544
2003-06-01	975561685
2003-07-01	1154602395
2003-08-01	1067288618
2003-09-01	970761854
2003-10-01	1274411067
2003-11-01	1143274722
2003-12-01	1308562856
2004-01-01	1150886465
2004-02-01	1315031692
2004-03-01	1509372558
2004-04-01	1500445367
2004-05-01	1295245122
2004-06-01	1428347586
2004-07-01	1518430776
2004-08-01	1355724595
2004-09-01	1695537945
2004-10-01	2013832165
2004-11-01	1921602553
2004-12-01	1702325595
2005-01-01	2012847747
2005-02-01	1771517459
2005-03-01	2275085225
2005-04-01	2274089870
2005-05-01	2252435220
2005-06-01	1889796544
2005-07-01	2264562265
2005-08-01	2517506186
2005-09-01	2351435789
2005-10-01	2394382836
2005-11-01	1983173003
2005-12-01	2317450396
2006-01-01	2727558891
2006-02-01	2276986913
2006-03-01	2963242283
2006-04-01	2656432379
2006-05-01	2945357158
2006-06-01	2878557306
2006-07-01	2935532114
2006-08-01	2918113529
2006-09-01	2249450500
2006-10-01	2441184151
2006-11-01	2843682094
2006-12-01	2890728798
2007-01-01	2636535423
2007-02-01	2404136601
2007-03-01	2852051500
2007-04-01	3206162253
2007-05-01	2549235757
2007-06-01	2038412462
2007-07-01	2579840776
2007-08-01	3139968642
2007-09-01	3428653898
2007-10-01	3824242865
2007-11-01	3474779935
2007-12-01	3708626586
2008-01-01	3983553738
2008-02-01	3484475135
2008-03-01	4992261763
2008-04-01	4525227276
2008-05-01	4486982961
2008-06-01	4561450491
2008-07-01	5035301688
2008-08-01	4114233484
2008-09-01	3581047361
2008-10-01	3500837368
2008-11-01	3080926972
2008-12-01	2721785810
2009-01-01	2445566252
2009-02-01	2309360852
2009-03-01	2738659349
2009-04-01	1759183640
2009-05-01	1950958643
2009-06-01	2004867969
2009-07-01	2320638994
2009-08-01	2399545342
2009-09-01	2434031247
2009-10-01	2927678180
2009-11-01	3123827038
2009-12-01	2898504255
2010-01-01	3200030963
2010-02-01	3239979367
2010-03-01	3019717476
2010-04-01	2520517974
2010-05-01	2594414622
2010-06-01	2492633363
2010-07-01	2946740654
2010-08-01	2685004249
2010-09-01	2842738887
2010-10-01	3197313349
2010-11-01	3143516010
2010-12-01	3998356313
2011-01-01	3633425255
2011-02-01	3692344276
2011-03-01	4121534986
2011-04-01	4109902056
2011-05-01	3271377352
2011-06-01	3549719861
2011-07-01	3815550547
2011-08-01	3698361583
2011-09-01	3648674696
2011-10-01	3480823365
2011-11-01	4060775161
2011-12-01	4019031624
2012-01-01	4015218321
2012-02-01	4391551695
2012-03-01	4211981410
2012-04-01	3757072621
2012-05-01	3896196784
2012-06-01	3044333655
2012-07-01	3107886471
2012-08-01	2980139407
2012-09-01	2886048729
2012-10-01	3557804145
2012-11-01	3559884076
2012-12-01	3255120971
2013-01-01	3336740249
2013-02-01	3467299875
2013-03-01	3492495076
2013-04-01	3164953605
2013-05-01	2329094826
2013-06-01	3052645378
2013-07-01	2717534421
2013-08-01	2737654715
2013-09-01	2806164257
2013-10-01	3001882400
2013-11-01	3373649386
2013-12-01	3871360330
2014-01-01	3655674345
2014-02-01	3383465428
2014-03-01	3227825986
2014-04-01	2850075488
2014-05-01	2403326164
2014-06-01	2198977796
2014-07-01	2406191170
2014-08-01	1996597307
2014-09-01	2572746490
2014-10-01	2603863493
2014-11-01	2528429536
2014-12-01	2399699506
2015-01-01	1868261002
2015-02-01	1933041998
2015-03-01	2241736001
2015-04-01	1853221147
2015-05-01	1898826353
2015-06-01	1629911060
2015-07-01	1648041654
2015-08-01	1663503137
2015-09-01	1615704085
2015-10-01	2039079665
2015-11-01	1832520170
2015-12-01	1699466106
2016-01-01	1368603560
2016-02-01	1442323518
2016-03-01	1646407577
2016-04-01	1631009086
2016-05-01	1408295856
2016-06-01	1245816783
2016-07-01	1347869110
2016-08-01	1338697652
2016-09-01	1477375296
2016-10-01	1793412402
2016-11-01	1896825470
2016-12-01	2123809417
2017-01-01	2267950971
2017-02-01	2219594876
2017-03-01	2240595508
2017-04-01	1814775854
2017-05-01	1514639856
2017-06-01	1470130327
2017-07-01	1824807847
2017-08-01	1574934029
2017-09-01	1527747869
2017-10-01	1665527264
2017-11-01	2032771675
2017-12-01	2040991523