Quarterly US dollars
1999-09-30 213679
1999-12-31 209100
2000-03-31 230350
2000-06-30 224303
2000-09-30 222329
2000-12-31 301748
2001-03-31 312704
2001-06-30 305887
2001-09-30 325699
2001-12-31 314649
2002-03-31 314660
2002-06-30 344529
2002-09-30 376437
2002-12-31 374542
2003-03-31 408560
2003-06-30 434756
2003-09-30 463753
2003-12-31 490004
2004-03-31 556173
2004-06-30 564039
2004-09-30 603880
2004-12-31 645808
2005-03-31 713552
2005-06-30 688272
2005-09-30 770963
2005-12-31 679061
2006-03-31 790889
2006-06-30 832554
2006-09-30 888697
2006-12-31 908351
2007-03-31 1043410
2007-06-30 1103209
2007-09-30 1203138
2007-12-31 1157483
2008-03-31 1337747
2008-06-30 1272315
2008-09-30 1177982
2008-12-31 1099456
2009-03-31 1032417
2009-06-30 1083283
2009-09-30 1135250
2009-12-31 1087162
2010-03-31 1138576
2010-06-30 1117027
2010-09-30 1229251
2010-12-31 1097127
2011-03-31 1182615
2011-06-30 1164375
2011-09-30 1196567
2011-12-31 1121105
2012-03-31 1275119
2012-06-30 1193626
2012-09-30 1135669
2012-12-31 1126646
2013-03-31 1036715
2013-06-30 1011011
2013-09-30 996725
2013-12-31 950681
2014-03-31 946481
2014-06-30 906387
2014-09-30 836615
2014-12-31 782008
2015-03-31 731351
2015-06-30 715371
2015-09-30 708001
2015-12-31 684161
2016-03-31 703728
2016-06-30 718003
2016-09-30 710839
2016-12-31 650735
2017-03-31 714013
2017-06-30 790638
2017-09-30 786192
2017-12-31 805550
2018-03-31 816333
2018-06-30 788541
2018-09-30 782615
2018-12-31 730069
2019-03-31 773040
2019-06-30 781492
2019-09-30 770503
2019-12-31 749748
2020-03-31 786634
2020-06-30 831301
2020-09-30 895525
2020-12-31 948394
2021-03-31 934021
2021-06-30 941504
2021-09-30 912903
2021-12-31 888102
2022-03-31 931554
2022-06-30 868840
2022-09-30 823698
2022-12-31 868017
2023-03-31 902688
2023-06-30 943197
2023-09-30 931473