Quarterly US dollars
1999-09-30 6577
1999-12-31 3425
2000-03-31 4625
2000-06-30 5485
2000-09-30 4389
2000-12-31 4813
2001-03-31 4703
2001-06-30 3519
2001-09-30 3916
2001-12-31 3954
2002-03-31 5000
2002-06-30 5247
2002-09-30 6205
2002-12-31 6929
2003-03-31 6160
2003-06-30 7376
2003-09-30 5943
2003-12-31 10092
2004-03-31 7765
2004-06-30 9020
2004-09-30 12626
2004-12-31 12424
2005-03-31 10734
2005-06-30 9258
2005-09-30 9577
2005-12-31 11060
2006-03-31 13217
2006-06-30 12487
2006-09-30 12099
2006-12-31 11736
2007-03-31 11075
2007-06-30 12322
2007-09-30 9691
2007-12-31 6444
2008-03-31 3118
2008-06-30 1235
2008-09-30 329
2008-12-31 348
2009-03-31 429
2009-06-30 281
2009-09-30 376
2009-12-31 468
2010-03-31 506
2010-06-30 206
2010-09-30 347
2010-12-31 664
2011-03-31 783
2011-06-30 663
2011-09-30 862
2011-12-31 999
2012-03-31 607
2012-06-30 591
2012-09-30 530
2012-12-31 921
2013-03-31 649
2013-06-30 687
2013-09-30 643
2013-12-31 882
2014-03-31 804
2014-06-30 747
2014-09-30 442
2014-12-31 290
2015-03-31 341
2015-06-30 385
2015-09-30 444
2015-12-31 496
2016-03-31 584
2016-06-30 608
2016-09-30 334
2016-12-31 576
2017-03-31 346
2017-06-30 477
2017-09-30 455
2017-12-31 599
2018-03-31 404
2018-06-30 616
2018-09-30 639
2018-12-31 731
2019-03-31 728
2019-06-30 689
2019-09-30 642
2019-12-31 767
2020-03-31 667
2020-06-30 682
2020-09-30 756
2020-12-31 3156
2021-03-31 1922
2021-06-30 583
2021-09-30 607
2021-12-31 3088
2022-03-31 707
2022-06-30 1661
2022-09-30 3034
2022-12-31 9976
2023-03-31 6553
2023-06-30 647
2023-09-30 493
2023-12-31 1183