Quarter	US Dollars, sum over component sub-periods
1995-01-01	484061340.58867200
1995-04-01	595819134.91668400
1995-07-01	683827761.00700590
1995-10-01	611269705.00587800
1996-01-01	478661198.45067200
1996-04-01	510132536.26886400
1996-07-01	668121287.62208500
1996-10-01	545447106.84273700
1997-01-01	393928767.12328804
1997-04-01	473226389.69032500
1997-07-01	613833443.56923810
1997-10-01	468841995.08876400
1998-01-01	402138326.17942400
1998-04-01	471866983.93813205
1998-07-01	645572579.67528590
1998-10-01	524593598.85603700
1999-01-01	408097549.39773303
1999-04-01	474482455.17544800
1999-07-01	631047022.16683000
1999-10-01	459022320.72186200
2000-01-01	368993316.05961100
2000-04-01	417248984.32965803
2000-07-01	563201980.34219100
2000-10-01	385027620.19131200
2001-01-01	350525741.81729000
2001-04-01	404208164.63783700
2001-07-01	543868438.17787410
2001-10-01	394144736.84210500
2002-01-01	353948383.54872900
2002-04-01	437860419.69045400
2002-07-01	627185107.21135100
2002-10-01	496958931.16468200
2003-01-01	430071786.31051800
2003-04-01	556759436.94900400
2003-07-01	744667837.07865200
2003-10-01	597119653.67384300
2004-01-01	531429986.12891300
2004-04-01	615103176.47455100
2004-07-01	843461840.16163790
2004-10-01	695207980.58776000
2005-01-01	628181251.02610400
2005-04-01	667895318.05991300
2005-07-01	877386495.56981400
2005-10-01	756194691.14363700
2006-01-01	671796825.50301900
2006-04-01	758118756.21977400
2006-07-01	1013189915.43003010
2006-10-01	930765936.84437000
2007-01-01	844358258.14441700
2007-04-01	951743561.37802100
2007-07-01	1351502637.04780980
2007-10-01	1272284436.75840000
2008-01-01	1146128696.23562000
2008-04-01	1344932017.26560000
2008-07-01	1622469330.68334000
2008-10-01	1237195818.91083000
2009-01-01	918547781.39840200
2009-04-01	1034985386.93308000
2009-07-01	1420410770.95881990
2009-10-01	1228599698.52853010
2010-01-01	992161940.43865500
2010-04-01	1025443983.90464000
2010-07-01	1331114157.03936000
2010-10-01	1208015164.79193000
2011-01-01	1039091373.45348990
2011-04-01	1173027197.10894010
2011-07-01	1481150424.36881000
2011-10-01	1180259025.19969000
2012-01-01	994574013.81617690
2012-04-01	1086153064.63803000
2012-07-01	1293142918.52085000
2012-10-01	1243555392.31119000
2013-01-01	987509830.75909700
2013-04-01	1080331354.71521000
2013-07-01	1362092704.16939000
2013-10-01	1336341425.62592000
2014-01-01	1185612987.17882010
2014-04-01	1304066115.59782000
2014-07-01	1364391039.47170000
2014-10-01	1267872016.05559000
2015-01-01	976120103.47296800
2015-04-01	1089788835.61638000
2015-07-01	1249547906.48775000
2015-10-01	1127320568.08741000
2016-01-01	994565696.08393300
2016-04-01	1132830911.96992000
2016-07-01	1291398826.15565010
2016-10-01	1264349297.32406000
2017-01-01	1018246363.91064000
2017-04-01	1182590154.43464000
2017-07-01	1485378260.74639990
2017-10-01	1484496388.35569000
2018-01-01	1298554978.51449000
2018-04-01	1380132882.02056000