Quarterly US dollars
1999-03-31 355642
1999-06-30 365128
1999-09-30 361156
1999-12-31 362183
2000-03-31 367186
2000-06-30 361185
2000-09-30 363723
2000-12-31 394612
2001-03-31 391643
2001-06-30 378614
2001-09-30 386306
2001-12-31 418752
2002-03-31 397544
2002-06-30 403024
2002-09-30 417272
2002-12-31 445297
2003-03-31 453275
2003-06-30 487567
2003-09-30 502818
2003-12-31 551588
2004-03-31 596588
2004-06-30 583760
2004-09-30 635333
2004-12-31 709303
2005-03-31 703484
2005-06-30 739051
2005-09-30 697482
2005-12-31 749936
2006-03-31 806033
2006-06-30 855698
2006-09-30 845686
2006-12-31 931935
2007-03-31 1023974
2007-06-30 1075358
2007-09-30 1218461
2007-12-31 1289069
2008-03-31 1385905
2008-06-30 1268605
2008-09-30 1238166
2008-12-31 1104608
2009-03-31 1037624
2009-06-30 1006019
2009-09-30 906895
2009-12-31 896670
2010-03-31 843740
2010-06-30 794927
2010-09-30 861881
2010-12-31 847106
2011-03-31 805635
2011-06-30 802739
2011-09-30 989880
2011-12-31 964977
2012-03-31 926802
2012-06-30 725684
2012-09-30 725444
2012-12-31 710903
2013-03-31 683703
2013-06-30 685500
2013-09-30 691086
2013-12-31 699900
2014-03-31 671586
2014-06-30 713257
2014-09-30 715460
2014-12-31 722400
2015-03-31 715203
2015-06-30 675461
2015-09-30 664975
2015-12-31 642473
2016-03-31 643496
2016-06-30 643489
2016-09-30 684372
2016-12-31 675292
2017-03-31 636623
2017-06-30 603462
2017-09-30 693788
2017-12-31 731083
2018-03-31 703856
2018-06-30 661898
2018-09-30 604733
2018-12-31 631436
2019-03-31 592908
2019-06-30 601544
2019-09-30 574719
2019-12-31 652920
2020-03-31 626015
2020-06-30 589608
2020-09-30 592251
2020-12-31 610460
2021-03-31 613816
2021-06-30 657778
2021-09-30 669717
2021-12-31 716873
2022-03-31 744645
2022-06-30 757019
2022-09-30 747332
2022-12-31 695819
2023-03-31 691938
2023-06-30 700743
2023-09-30 681297