Quarterly US dollars
1999-03-31 98629
1999-06-30 94976
1999-09-30 95926
1999-12-31 100230
2000-03-31 97065
2000-06-30 98993
2000-09-30 98759
2000-12-31 106238
2001-03-31 123208
2001-06-30 115480
2001-09-30 146089
2001-12-31 138595
2002-03-31 137372
2002-06-30 164495
2002-09-30 174308
2002-12-31 194047
2003-03-31 232654
2003-06-30 281685
2003-09-30 260591
2003-12-31 287110
2004-03-31 305745
2004-06-30 303728
2004-09-30 345511
2004-12-31 402198
2005-03-31 418273
2005-06-30 402414
2005-09-30 397885
2005-12-31 352639
2006-03-31 419914
2006-06-30 461718
2006-09-30 436553
2006-12-31 462512
2007-03-31 469638
2007-06-30 498590
2007-09-30 526709
2007-12-31 545780
2008-03-31 597378
2008-06-30 571531
2008-09-30 559442
2008-12-31 519294
2009-03-31 456171
2009-06-30 472112
2009-09-30 442808
2009-12-31 454319
2010-03-31 407365
2010-06-30 373886
2010-09-30 367408
2010-12-31 380616
2011-03-31 375506
2011-06-30 382030
2011-09-30 386625
2011-12-31 371196
2012-03-31 398803
2012-06-30 364173
2012-09-30 397722
2012-12-31 380074
2013-03-31 349021
2013-06-30 337958
2013-09-30 317901
2013-12-31 342663
2014-03-31 347516
2014-06-30 348689
2014-09-30 306817
2014-12-31 286569
2015-03-31 275982
2015-06-30 261520
2015-09-30 241168
2015-12-31 214494
2016-03-31 237857
2016-06-30 250166
2016-09-30 225023
2016-12-31 212056
2017-03-31 224760
2017-06-30 253621
2017-09-30 231826
2017-12-31 206702
2018-03-31 238316
2018-06-30 235410
2018-09-30 242813
2018-12-31 236629
2019-03-31 254267
2019-06-30 260542
2019-09-30 252471
2019-12-31 234694
2020-03-31 277320
2020-06-30 272788
2020-09-30 311553
2020-12-31 306005
2021-03-31 360077
2021-06-30 359831
2021-09-30 331116
2021-12-31 331116
2022-03-31 341473
2022-06-30 307086
2022-09-30 292986
2022-12-31 295603
2023-03-31 288559
2023-06-30 299775
2023-09-30 313110