Quarterly US dollars
1999-03-31 204530
1999-06-30 198502
1999-09-30 224346
1999-12-31 243390
2000-03-31 266457
2000-06-30 260564
2000-09-30 270927
2000-12-31 320835
2001-03-31 290635
2001-06-30 263071
2001-09-30 269020
2001-12-31 284105
2002-03-31 289095
2002-06-30 322785
2002-09-30 338419
2002-12-31 363021
2003-03-31 394907
2003-06-30 426268
2003-09-30 412713
2003-12-31 484002
2004-03-31 532548
2004-06-30 548519
2004-09-30 544375
2004-12-31 560504
2005-03-31 583555
2005-06-30 601857
2005-09-30 576824
2005-12-31 571402
2006-03-31 668607
2006-06-30 763040
2006-09-30 741115
2006-12-31 726219
2007-03-31 899908
2007-06-30 862707
2007-09-30 930739
2007-12-31 988772
2008-03-31 1010712
2008-06-30 828496
2008-09-30 756123
2008-12-31 620441
2009-03-31 605748
2009-06-30 603988
2009-09-30 654722
2009-12-31 593037
2010-03-31 605970
2010-06-30 626707
2010-09-30 689915
2010-12-31 645186
2011-03-31 594766
2011-06-30 649106
2011-09-30 619506
2011-12-31 658687
2012-03-31 688240
2012-06-30 672477
2012-09-30 662536
2012-12-31 624674
2013-03-31 591255
2013-06-30 555400
2013-09-30 538723
2013-12-31 546598
2014-03-31 545624
2014-06-30 587113
2014-09-30 601201
2014-12-31 578585
2015-03-31 555688
2015-06-30 496928
2015-09-30 494264
2015-12-31 469030
2016-03-31 449236
2016-06-30 464864
2016-09-30 472433
2016-12-31 435774
2017-03-31 411954
2017-06-30 428454
2017-09-30 440293
2017-12-31 436363
2018-03-31 456297
2018-06-30 451015
2018-09-30 421019
2018-12-31 446761
2019-03-31 434715
2019-06-30 417758
2019-09-30 432737
2019-12-31 423725
2020-03-31 464554
2020-06-30 444291
2020-09-30 462736
2020-12-31 449181
2021-03-31 493892
2021-06-30 477559
2021-09-30 488372
2021-12-31 487133
2022-03-31 513510
2022-06-30 492855
2022-09-30 486533
2022-12-31 469851
2023-03-31 475472
2023-06-30 453269
2023-09-30 452811