Quarter	US Dollars, monthly level
1993-01-01	135421247.33740300
1993-04-01	177476101.96449602
1993-07-01	205575858.20056102
1993-10-01	252340666.90852404
1994-01-01	263165053.03184100
1994-04-01	319491274.19794196
1994-07-01	335289639.83568400
1994-10-01	393767339.23355900
1995-01-01	406211434.51003300
1995-04-01	455034284.89836400
1995-07-01	456838869.38462300
1995-10-01	520952446.54704195
1996-01-01	454140262.66636200
1996-04-01	487361972.61624100
1996-07-01	513503506.17330897
1996-10-01	620727748.38625600
1997-01-01	637008450.80766400
1997-04-01	703540867.91493890
1997-07-01	727713847.22523200
1997-10-01	864842462.94415200
1998-01-01	773000584.44869510
1998-04-01	818312872.52594600
1998-07-01	758651571.00006800
1998-10-01	892712642.39692900
1999-01-01	566052123.77785700
1999-04-01	576102470.07772300
1999-07-01	585403229.41868800
1999-10-01	655076172.99659200
2000-01-01	739962543.48135100
2000-04-01	770305216.94996110
2000-07-01	775257620.75901900
2000-10-01	880877386.80422310
2001-01-01	944979487.32942810
2001-04-01	879028821.26757000
2001-07-01	684969380.89126800
2001-10-01	804580357.31382800
2002-01-01	726351414.25786400
2002-04-01	852557557.66427990
2002-07-01	866314878.18557500
2002-10-01	1002667897.28969010
2003-01-01	964129258.97941210
2003-04-01	1159208361.98559000
2003-07-01	1090376608.37018010
2003-10-01	1325033923.07245000
2004-01-01	1345924594.69971010
2004-04-01	1377400071.00899000
2004-07-01	1484812786.22426990
2004-10-01	1725612337.46960000
2005-01-01	1785938719.50406980
2005-04-01	1884697311.71213000
2005-07-01	1934512371.23216990
2005-10-01	2092942265.04470000
2006-01-01	2206612345.57374000
2006-04-01	2503011846.10684970
2006-07-01	2437479117.90587000
2006-10-01	2558024280.45387000
2007-01-01	2508264245.67589000
2007-04-01	2838211659.71240000
2007-07-01	2635232480.89486030
2007-10-01	3036668596.42305040
2008-01-01	3016650936.70157000
2008-04-01	3472372481.90932000
2008-07-01	3302863356.71581030
2008-10-01	2680332913.13415960
2009-01-01	1950833873.96824000
2009-04-01	2221760384.53554000
2009-07-01	2363037572.74410000
2009-10-01	2529558040.35478000
2010-01-01	2454770080.50596000
2010-04-01	2638748484.90908000
2010-07-01	2909463609.69042000
2010-10-01	3594630875.34251980
2011-01-01	3750263478.07827040
2011-04-01	4568321607.12233100
2011-07-01	4311289585.23607000
2011-10-01	4099299622.63939000
2012-01-01	3932289629.36136000
2012-04-01	3955903201.68345980
2012-07-01	4126672851.78108000
2012-10-01	4077781140.44201000
2013-01-01	4089168323.17933030
2013-04-01	4142956901.10243940
2013-07-01	3945549232.76916030
2013-10-01	4135629618.14736000
2014-01-01	3913309233.62116000
2014-04-01	4149536186.00924000
2014-07-01	4059663912.50423000
2014-10-01	3921164008.24683000
2015-01-01	3181542115.61876000
2015-04-01	3303876117.54762000
2015-07-01	3146611687.71836000
2015-10-01	3200052659.79964000
2016-01-01	3066444588.70781000
2016-04-01	3419683658.95563030
2016-07-01	3372846519.09239000
2016-10-01	3317258207.07415960
2017-01-01	3293417985.41301970
2017-04-01	3588142143.22268000
2017-07-01	3718554269.19482000
2017-10-01	3943146765.31238030
2018-01-01	4030724184.39645050
2018-04-01	4400547555.52214000