Quarterly US dollars
1999-03-31 121865
1999-06-30 161165
1999-09-30 159318
1999-12-31 134139
2000-03-31 149046
2000-06-30 165240
2000-09-30 178830
2000-12-31 204718
2001-03-31 212019
2001-06-30 201905
2001-09-30 214741
2001-12-31 260029
2002-03-31 244490
2002-06-30 258841
2002-09-30 250223
2002-12-31 238559
2003-03-31 235368
2003-06-30 267978
2003-09-30 246771
2003-12-31 228167
2004-03-31 257737
2004-06-30 265465
2004-09-30 267404
2004-12-31 267232
2005-03-31 295076
2005-06-30 340736
2005-09-30 348220
2005-12-31 355424
2006-03-31 403747
2006-06-30 352492
2006-09-30 328446
2006-12-31 402241
2007-03-31 400902
2007-06-30 376439
2007-09-30 452376
2007-12-31 441422
2008-03-31 590761
2008-06-30 375912
2008-09-30 453885
2008-12-31 425942
2009-03-31 444796
2009-06-30 491186
2009-09-30 498077
2009-12-31 541375
2010-03-31 583903
2010-06-30 564357
2010-09-30 570264
2010-12-31 623534
2011-03-31 545272
2011-06-30 498208
2011-09-30 605334
2011-12-31 600286
2012-03-31 564947
2012-06-30 524507
2012-09-30 574347
2012-12-31 545403
2013-03-31 501695
2013-06-30 437528
2013-09-30 387255
2013-12-31 409676
2014-03-31 347533
2014-06-30 335008
2014-09-30 351447
2014-12-31 321439
2015-03-31 272816
2015-06-30 299908
2015-09-30 259817
2015-12-31 320350
2016-03-31 364709
2016-06-30 330888
2016-09-30 273902
2016-12-31 288074
2017-03-31 294903
2017-06-30 308181
2017-09-30 285829
2017-12-31 323455
2018-03-31 328791
2018-06-30 285130
2018-09-30 252432
2018-12-31 233231
2019-03-31 355932
2019-06-30 355432
2019-09-30 385369
2019-12-31 352664
2020-03-31 418265
2020-06-30 435553
2020-09-30 431311
2020-12-31 512181
2021-03-31 568905
2021-06-30 541755
2021-09-30 556673
2021-12-31 542900
2022-03-31 619788
2022-06-30 615301
2022-09-30 574476
2022-12-31 541858
2023-03-31 609102
2023-06-30 587657
2023-09-30 590658