Quarterly US dollars
1999-03-31 144789
1999-06-30 142732
1999-09-30 150570
1999-12-31 145459
2000-03-31 163645
2000-06-30 169914
2000-09-30 184846
2000-12-31 185168
2001-03-31 199636
2001-06-30 205959
2001-09-30 206697
2001-12-31 191406
2002-03-31 176086
2002-06-30 185500
2002-09-30 182388
2002-12-31 193104
2003-03-31 205291
2003-06-30 200630
2003-09-30 211238
2003-12-31 234612
2004-03-31 261362
2004-06-30 272425
2004-09-30 303026
2004-12-31 300679
2005-03-31 329656
2005-06-30 335614
2005-09-30 372719
2005-12-31 377297
2006-03-31 427475
2006-06-30 449989
2006-09-30 495760
2006-12-31 497198
2007-03-31 535747
2007-06-30 531172
2007-09-30 591623
2007-12-31 628478
2008-03-31 593490
2008-06-30 544357
2008-09-30 566243
2008-12-31 404752
2009-03-31 367847
2009-06-30 371638
2009-09-30 364039
2009-12-31 350983
2010-03-31 361617
2010-06-30 361358
2010-09-30 363742
2010-12-31 375496
2011-03-31 414676
2011-06-30 408104
2011-09-30 405332
2011-12-31 418612
2012-03-31 457387
2012-06-30 464548
2012-09-30 450459
2012-12-31 421427
2013-03-31 450518
2013-06-30 426762
2013-09-30 446388
2013-12-31 460942
2014-03-31 475869
2014-06-30 490516
2014-09-30 484023
2014-12-31 462105
2015-03-31 452209
2015-06-30 465898
2015-09-30 480926
2015-12-31 466724
2016-03-31 454734
2016-06-30 459896
2016-09-30 458436
2016-12-31 428273
2017-03-31 478329
2017-06-30 474033
2017-09-30 474277
2017-12-31 475665
2018-03-31 510350
2018-06-30 461476
2018-09-30 485261
2018-12-31 488759
2019-03-31 538734
2019-06-30 552324
2019-09-30 526557
2019-12-31 514165
2020-03-31 566829
2020-06-30 488765
2020-09-30 492560
2020-12-31 513125
2021-03-31 534086
2021-06-30 537030
2021-09-30 558505
2021-12-31 560380
2022-03-31 587154
2022-06-30 573741
2022-09-30 570412
2022-12-31 539150
2023-03-31 557378
2023-06-30 551811
2023-09-30 528827