Quarterly US dollars
1999-03-31 166409
1999-06-30 174729
1999-09-30 168987
1999-12-31 171495
2000-03-31 204414
2000-06-30 220246
2000-09-30 218283
2000-12-31 232666
2001-03-31 293359
2001-06-30 271182
2001-09-30 272055
2001-12-31 255895
2002-03-31 269567
2002-06-30 283759
2002-09-30 284928
2002-12-31 296497
2003-03-31 346213
2003-06-30 358594
2003-09-30 400994
2003-12-31 393377
2004-03-31 447280
2004-06-30 418896
2004-09-30 465766
2004-12-31 514344
2005-03-31 599120
2005-06-30 607314
2005-09-30 668993
2005-12-31 656886
2006-03-31 763197
2006-06-30 790149
2006-09-30 869194
2006-12-31 882115
2007-03-31 1022803
2007-06-30 1112252
2007-09-30 1116937
2007-12-31 1050896
2008-03-31 1024917
2008-06-30 941340
2008-09-30 999437
2008-12-31 707693
2009-03-31 693747
2009-06-30 654120
2009-09-30 689881
2009-12-31 642588
2010-03-31 695356
2010-06-30 679595
2010-09-30 755931
2010-12-31 763733
2011-03-31 816107
2011-06-30 827722
2011-09-30 767228
2011-12-31 730994
2012-03-31 757600
2012-06-30 750245
2012-09-30 766072
2012-12-31 752652
2013-03-31 716321
2013-06-30 742061
2013-09-30 676500
2013-12-31 682164
2014-03-31 675085
2014-06-30 672000
2014-09-30 676180
2014-12-31 659816
2015-03-31 637806
2015-06-30 601480
2015-09-30 626433
2015-12-31 588484
2016-03-31 597705
2016-06-30 625473
2016-09-30 585432
2016-12-31 533874
2017-03-31 566822
2017-06-30 572633
2017-09-30 625422
2017-12-31 685754
2018-03-31 733854
2018-06-30 677772
2018-09-30 654920
2018-12-31 759777
2019-03-31 749255
2019-06-30 734285
2019-09-30 740828
2019-12-31 769881
2020-03-31 912927
2020-06-30 805457
2020-09-30 830281
2020-12-31 884852
2021-03-31 879551
2021-06-30 883777
2021-09-30 872451
2021-12-31 922828
2022-03-31 923118
2022-06-30 892266
2022-09-30 900826
2022-12-31 880896
2023-03-31 886451
2023-06-30 878309
2023-09-30 905407