Quarter	US Dollars, sum over component sub-periods
1960-01-01	2960141913.3952700
1960-04-01	2966150525.9190800
1960-07-01	2903073160.0861500
1960-10-01	3016093147.8264704
1961-01-01	3034019029.4116500
1961-04-01	2956012522.0140200
1961-07-01	2724819702.1632900
1961-10-01	2849735580.8293900
1962-01-01	2970913769.5166903
1962-04-01	2938050378.3696100
1962-07-01	2874063957.0900900
1962-10-01	2973310822.2372700
1963-01-01	3052393251.0253997
1963-04-01	3130958968.0232396
1963-07-01	3152686805.9348800
1963-10-01	3368511052.3713803
1964-01-01	3643212971.7219800
1964-04-01	3637268052.8117200
1964-07-01	3514782354.1806200
1964-10-01	3739791164.3387800
1965-01-01	3580667623.5755700
1965-04-01	3695340615.2727900
1965-07-01	3639189541.2253800
1965-10-01	3824201315.9800600
1966-01-01	3977317563.3321400
1966-04-01	3827922336.0094700
1966-07-01	3854444068.9592795
1966-10-01	3681196990.9242496
1967-01-01	4185010271.0106000
1967-04-01	4227243724.7017097
1967-07-01	3924815429.6785300
1967-10-01	4048738836.0704400
1968-01-01	4420052144.4239610
1968-04-01	4312676389.4775800
1968-07-01	4320334929.1892605
1968-10-01	4437676697.9266610
1969-01-01	4555526816.8438800
1969-04-01	4605331862.2032200
1969-07-01	4420100795.0046690
1969-10-01	4719945697.8688400
1970-01-01	4768936455.5402900
1970-04-01	5233068949.6243510
1970-07-01	4788002798.1047590
1970-10-01	5240171500.4044600
1971-01-01	5429200072.6663100
1971-04-01	5601554736.1853895
1971-07-01	5300211081.1558090
1971-10-01	5840037785.4389400
1972-01-01	6559474242.7192500
1972-04-01	6622832709.6196700
1972-07-01	5818292287.2116790
1972-10-01	7007249240.4847100
1973-01-01	8097920995.5830000
1973-04-01	8724644410.4236400
1973-07-01	9023466489.1400410
1973-10-01	10289317110.2809000
1974-01-01	11380339675.6761000
1974-04-01	13567140473.8863010
1974-07-01	12915823469.1726990
1974-10-01	13418082977.0101990
1975-01-01	13254140527.2386000
1975-04-01	12937012515.5889000
1975-07-01	12133961875.6576000
1975-10-01	12314435728.2784000
1976-01-01	12778024257.6960010
1976-04-01	13329850218.0913010
1976-07-01	13104269520.8715000
1976-10-01	13668219867.8704010
1977-01-01	14882138427.5734000
1977-04-01	15516301346.4973000
1977-07-01	14556074777.9887000
1977-10-01	15194750739.0939000
1978-01-01	17385244262.7024000
1978-04-01	17317044079.7371030
1978-07-01	17528384799.4568000
1978-10-01	18862264828.2981000
1979-01-01	20538225029.3635030
1979-04-01	23886586734.4942000
1979-07-01	23794629012.1542000
1979-10-01	25956128175.8520000
1980-01-01	28685832202.5140000
1980-04-01	28112897594.0532000
1980-07-01	25362112230.4812000
1980-10-01	25464385557.7439000
1981-01-01	23941774123.1377000
1981-04-01	23533732384.6068000
1981-07-01	23845959940.8270000
1981-10-01	25125095555.9240000
1982-01-01	24706435976.0573000
1982-04-01	24933109099.6874000
1982-07-01	22536894236.7705000
1982-10-01	22371487040.5310000
1983-01-01	23326188187.0254970
1983-04-01	24613199605.6300000
1983-07-01	23024658730.9536000
1983-10-01	24334511899.2576000
1984-01-01	25437357396.3429000
1984-04-01	26261549985.5648000
1984-07-01	24100710357.9490000
1984-10-01	25764334394.7482000
1985-01-01	24747766115.9600000
1985-04-01	26514061386.3877000
1985-07-01	25921116687.6511000
1985-10-01	28540041840.0356000
1986-01-01	28440151370.9869000
1986-04-01	31396380792.7646030
1986-07-01	29828516772.5122000
1986-10-01	31965423181.6942020
1987-01-01	33449280666.2146030
1987-04-01	37115015770.6381000
1987-07-01	37186673641.1301960
1987-10-01	42643607355.7414000
1988-01-01	43041478554.4025000
1988-04-01	46778205494.3792000
1988-07-01	44128294707.0426000
1988-10-01	48921368835.8747000
1989-01-01	48801082495.0931000
1989-04-01	49050048913.1209950
1989-07-01	47129773558.5799940
1989-10-01	47799958209.9409000
1990-01-01	52025509101.7690000
1990-04-01	53185925324.2245940
1990-07-01	53920697967.2193000
1990-10-01	57305056778.8471000
1991-01-01	53010456148.4288000
1991-04-01	49597488011.1199950
1991-07-01	48310115600.2073000
1991-10-01	52019854119.0434950
1992-01-01	51778217750.5294000
1992-04-01	55264392249.2787000
1992-07-01	55862276924.2898000
1992-10-01	51106613589.0735000
1993-01-01	49894024400.6275940
1993-04-01	52482081000.8695000
1993-07-01	50193780268.9118040
1993-10-01	51830986738.5551000
1994-01-01	52618692251.4035950
1994-04-01	55776556885.6984000
1994-07-01	55600371827.2433000
1994-10-01	61481427479.1080000
1995-01-01	61838837711.7410000
1995-04-01	67412249292.3492000
1995-07-01	65917067918.4281000
1995-10-01	67658954614.5710100
1996-01-01	68935064630.6611000
1996-04-01	71243792616.0527000
1996-07-01	69187234536.6815000
1996-10-01	74755153687.3063000
1997-01-01	72222539274.9436000
1997-04-01	77863632901.3245000
1997-07-01	73672492123.2191000
1997-10-01	79352416440.4700000
1998-01-01	75921083740.0181000
1998-04-01	78156263746.7206000
1998-07-01	76010382417.7976000
1998-10-01	78676848998.4172000
1999-01-01	76737339445.6643000
1999-04-01	76517370875.2695000
1999-07-01	79731777194.0060100
1999-10-01	84461250249.3358000
2000-01-01	85020831004.4906900
2000-04-01	84017667133.1359000
2000-07-01	82890092741.0204000
2000-10-01	86120797465.7630000
2001-01-01	87583305223.3890000
2001-04-01	85092807152.9299000
2001-07-01	80967564591.5597000
2001-10-01	82076914035.9508000
2002-01-01	81324411138.4417100
2002-04-01	90049825956.3999000
2002-07-01	90914568126.0824100
2002-10-01	93211423796.5662100
2003-01-01	95189742616.1889000
2003-04-01	95900895395.5768900
2003-07-01	94984312206.0029000
2003-10-01	105720831273.7430000
2004-01-01	110719687553.0320000
2004-04-01	112810218242.7270000
2004-07-01	115412971809.9560000
2004-10-01	124339487519.1710000
2005-01-01	121781383541.2620000
2005-04-01	129372579072.1270000
2005-07-01	129044598043.1190000
2005-10-01	132547754628.2880100
2006-01-01	149424608230.3530300
2006-04-01	161328022917.8010000
2006-07-01	140171753719.1990000
2006-10-01	142324917890.4799800
2007-01-01	147383199126.2640000
2007-04-01	150837273489.6080000
2007-07-01	158592976553.8660000
2007-10-01	166197217179.3880000
2008-01-01	164410664783.5780000
2008-04-01	176229412056.1959800
2008-07-01	166453477924.8820000
2008-10-01	129974524847.0530100
2009-01-01	110471142750.9729900
2009-04-01	116512047557.1310000
2009-07-01	127154066135.4960000
2009-10-01	135311317283.6010000
2010-01-01	130791742672.9540000
2010-04-01	133775370732.4469900
2010-07-01	142003427632.3510000
2010-10-01	153979646525.8720000
2011-01-01	154621807073.8580000
2011-04-01	158535353951.3240000
2011-07-01	163872977258.1460300
2011-10-01	161222144110.8840000
2012-01-01	161457302939.0400000
2012-04-01	158861768172.8880000
2012-07-01	158889023758.2710000
2012-10-01	164358544904.7390000
2013-01-01	157216591044.6009800
2013-04-01	159342102266.1780000
2013-07-01	163256982194.2230000
2013-10-01	176299123398.8899800
2014-01-01	168698736839.6810000
2014-04-01	170831501595.2790000
2014-07-01	172146338430.5450000
2014-10-01	171875638197.9040000
2015-01-01	158761195808.4680200
2015-04-01	152577146738.5330000
2015-07-01	152860044674.0640000
2015-10-01	153869904951.3440200
2016-01-01	144710522418.9220000
2016-04-01	148824395758.8690200
2016-07-01	147758161398.5820000
2016-10-01	141782756306.7089800
2017-01-01	146264167134.4440000
2017-04-01	148953521636.6120000
2017-07-01	155858874028.3190000
2017-10-01	162196035808.2160000
2018-01-01	165362178749.2160000
2018-04-01	162043727861.9180000