Quarter	Percent
1961-01-01	3329377303.2771100
1961-04-01	3523951301.5205800
1961-07-01	3656161838.7885700
1961-10-01	3729750722.7396297
1962-01-01	3753448837.9103100
1962-04-01	3958000989.9098500
1962-07-01	4106426027.0314700
1962-10-01	4072334001.6982102
1963-01-01	4010802053.5357500
1963-04-01	4236973538.6734500
1963-07-01	4253188038.5270796
1963-10-01	4438199639.4209700
1964-01-01	4483101331.3233100
1964-04-01	4621963971.0953600
1964-07-01	4663955368.1521810
1964-10-01	4818616751.3713400
1965-01-01	4841067597.3225100
1965-04-01	5110061992.3300400
1965-07-01	5099668082.1674595
1965-10-01	5357852810.6059100
1966-01-01	5322929272.4596400
1966-04-01	5454724053.3211390
1966-07-01	5404833284.5407600
1966-10-01	5569472821.5160010
1967-01-01	5415642951.1098400
1967-04-01	5564483744.6379700
1967-07-01	5478837924.8983200
1967-10-01	5720808153.4831400
1968-01-01	5560326180.5729400
1968-04-01	5949474177.0598710
1968-07-01	5845950831.8405900
1968-10-01	6272101148.5063000
1969-01-01	6192691674.8642000
1969-04-01	6444224300.7986000
1969-07-01	6208074661.9048195
1969-10-01	6389760211.5466900
1970-01-01	6122844598.5716800
1970-04-01	6138643342.0188000
1970-07-01	5855513229.1901600
1970-10-01	6064638701.6612400
1971-01-01	6073369586.1978010
1971-04-01	6522802261.6276900
1971-07-01	6354836673.4004310
1971-10-01	6775997913.1881000
1972-01-01	6574356056.0340805
1972-04-01	7095714589.7890090
1972-07-01	6790549387.4157100
1972-10-01	7407947651.0728700
1973-01-01	7489435906.7474790
1973-04-01	7832434942.1125700
1973-07-01	7396722228.0972805
1973-10-01	7996242966.2748100
1974-01-01	7987096325.3317400
1974-04-01	8180838810.7622000
1974-07-01	7531843060.2108000
1974-10-01	7772150263.1696205
1975-01-01	7213789409.2359000
1975-04-01	7425409420.1460000
1975-07-01	6994685783.0087500
1975-10-01	7547641803.6579200
1976-01-01	7679852340.9259200
1976-04-01	8248607105.0222110
1976-07-01	7636613674.6495905
1976-10-01	7997905991.9008200
1977-01-01	8155893426.3720100
1977-04-01	8398279411.3633400
1977-07-01	7806658044.9093800
1977-10-01	8243202271.7376690
1978-01-01	8310970565.9976810
1978-04-01	8847296330.3867200
1978-07-01	8297666360.9895800
1978-10-01	8957887534.5165600
1979-01-01	9086356264.1260300
1979-04-01	9279682993.1499900
1979-07-01	8547535961.2979590
1979-10-01	8886793189.0045200
1980-01-01	8814035817.8664700
1980-04-01	8657711409.0212920
1980-07-01	8013288978.9414300
1980-10-01	8675588934.5009290
1981-01-01	8841268317.4634200
1981-04-01	9340915731.4930920
1981-07-01	8434297439.9069900
1981-10-01	8363599528.6843200
1982-01-01	8209016531.0886300
1982-04-01	8167257143.1125400
1982-07-01	7409727192.8095000
1982-10-01	7367601494.4125700
1983-01-01	7771275578.1814000
1983-04-01	8376420393.4138200
1983-07-01	8093262438.1022800
1983-10-01	8564337639.3062100
1984-01-01	8958487652.1331400
1984-04-01	9681584422.8769500
1984-07-01	9187431665.1599200
1984-10-01	9380477256.9441180
1985-01-01	9603560303.2374210
1985-04-01	10089287921.2750990
1985-07-01	9567295571.5739800
1985-10-01	9814921416.0637600
1986-01-01	9978295863.7596700
1986-04-01	10354862976.3861000
1986-07-01	9469490689.2089300
1986-10-01	9691474804.2397100
1987-01-01	10145333415.6640000
1987-04-01	10548274878.5912020
1987-07-01	10066576675.1828000
1987-10-01	10532889840.9157980
1988-01-01	10967700310.4562990
1988-04-01	11474673932.9028000
1988-07-01	10647178692.2187000
1988-10-01	10898101330.4961000
1989-01-01	11224850225.8879000
1989-04-01	11653799728.6948990
1989-07-01	10822275073.3816000
1989-10-01	11005430283.8031000
1990-01-01	10938029166.3680000
1990-04-01	11457457343.1232000
1990-07-01	10500288213.4608000
1990-10-01	10170242524.2813010
1991-01-01	9710889256.5443800
1991-04-01	10435817579.3924000
1991-07-01	9972801207.4470300
1991-10-01	9911261056.7454300
1992-01-01	9827742280.7932510
1992-04-01	10575381849.7335000
1992-07-01	9969138103.2386000
1992-10-01	10261087508.6504000
1993-01-01	10361090253.5405000
1993-04-01	11114224478.7934000
1993-07-01	10578678643.5211000
1993-10-01	10805791104.4437000
1994-01-01	10855609321.6782990
1994-04-01	11887139466.7718000
1994-07-01	11440240753.3436000
1994-10-01	11902890814.8681010
1995-01-01	12164395025.0788000
1995-04-01	12574388122.2100010
1995-07-01	11798613483.4933000
1995-10-01	11908796969.5799000
1996-01-01	11872875080.6990000
1996-04-01	12662811233.3015000
1996-07-01	12119838066.7552990
1996-10-01	12321898691.7104990
1997-01-01	12541229455.5507000
1997-04-01	13466563497.0120980
1997-07-01	12937751844.3516000
1997-10-01	13227199372.0652000
1998-01-01	13404390997.0259000
1998-04-01	14144934552.4171000
1998-07-01	13344981719.2613010
1998-10-01	13884846260.8081020
1999-01-01	14271697371.8333990
1999-04-01	15061978927.2136000
1999-07-01	14618827163.4231010
1999-10-01	15276819454.9436990
2000-01-01	15795614427.0509000
2000-04-01	16940624635.1301020
2000-07-01	16447044065.7951980
2000-10-01	16660157579.6368000
2001-01-01	15913396774.2468990
2001-04-01	16427010704.6885000
2001-07-01	15222245816.0670000
2001-10-01	15052653052.2157000
2002-01-01	15386657538.2527000
2002-04-01	16477784913.0106010
2002-07-01	15655726302.0819000
2002-10-01	15597353232.6503980
2003-01-01	15298925232.7166000
2003-04-01	16063646982.5469000
2003-07-01	15329666079.9320000
2003-10-01	15900616871.4720000
2004-01-01	15554523288.2155000
2004-04-01	16452915913.0160980
2004-07-01	15871257635.3674000
2004-10-01	15942410607.5738000
2005-01-01	15904761704.8044000
2005-04-01	16785193385.1645980
2005-07-01	16048103857.5504020
2005-10-01	16212515579.7361010
2006-01-01	16139980996.4189010
2006-04-01	16612837399.0918000
2006-07-01	15684740135.4088000
2006-10-01	15583882524.3201000
2007-01-01	15409000000.0000000
2007-04-01	16304000000.0000000
2007-07-01	15530333333.3333000
2007-10-01	15353666666.6667000
2008-01-01	14528333333.3333000
2008-04-01	15524000000.0000000
2008-07-01	14869666666.6667000
2008-10-01	14201666666.6667000
2009-01-01	12654000000.0000000
2009-04-01	12825333333.3333000
2009-07-01	12612000000.0000000
2009-10-01	12763333333.3333000
2010-01-01	12772333333.3333000
2010-04-01	13731333333.3333000
2010-07-01	13398333333.3333000
2010-10-01	13296666666.6667000
2011-01-01	13249666666.6667000
2011-04-01	13963666666.6667000
2011-07-01	13828666666.6667000
2011-10-01	14009333333.3333000
2012-01-01	13752333333.3333000
2012-04-01	14520333333.3333000
2012-07-01	13977000000.0000000
2012-10-01	13681333333.3333000
2013-01-01	13492666666.6667000
2013-04-01	14224666666.6667000
2013-07-01	13841000000.0000000
2013-10-01	13995666666.6667000
2014-01-01	13764666666.6667000
2014-04-01	14724666666.6667000
2014-07-01	14473000000.0000000
2014-10-01	14450000000.0000000
2015-01-01	14090000000.0000000
2015-04-01	14670666666.6667000
2015-07-01	14453333333.3333000
2015-10-01	14424666666.6667000
2016-01-01	14179000000.0000000
2016-04-01	14870666666.6667000
2016-07-01	14526333333.3333000
2016-10-01	14477000000.0000000
2017-01-01	14450666666.6667000
2017-04-01	15362666666.6667000
2017-07-01	15004000000.0000000
2017-10-01	15090666666.6667000
2018-01-01	14905666666.6667000
2018-04-01	15688666666.6667000