Quarterly US dollars
1999-09-30 56631
1999-12-31 55517
2000-03-31 55996
2000-06-30 68178
2000-09-30 77082
2000-12-31 86287
2001-03-31 106813
2001-06-30 91586
2001-09-30 116381
2001-12-31 122271
2002-03-31 96021
2002-06-30 158747
2002-09-30 205918
2002-12-31 228041
2003-03-31 233825
2003-06-30 278911
2003-09-30 262005
2003-12-31 257889
2004-03-31 268508
2004-06-30 208392
2004-09-30 241701
2004-12-31 269134
2005-03-31 252319
2005-06-30 328840
2005-09-30 307433
2005-12-31 274141
2006-03-31 281076
2006-06-30 344143
2006-09-30 273523
2006-12-31 262203
2007-03-31 338263
2007-06-30 466602
2007-09-30 523263
2007-12-31 662291
2008-03-31 1074520
2008-06-30 1118217
2008-09-30 1015057
2008-12-31 1948816
2009-03-31 1371187
2009-06-30 984073
2009-09-30 988833
2009-12-31 817336
2010-03-31 818307
2010-06-30 904637
2010-09-30 1064885
2010-12-31 887044
2011-03-31 701776
2011-06-30 752843
2011-09-30 1039035
2011-12-31 963791
2012-03-31 919039
2012-06-30 876935
2012-09-30 684401
2012-12-31 690311
2013-03-31 634270
2013-06-30 534112
2013-09-30 466693
2013-12-31 441521
2014-03-31 343334
2014-06-30 538364
2014-09-30 572334
2014-12-31 662906
2015-03-31 699459
2015-06-30 535409
2015-09-30 559444
2015-12-31 484217
2016-03-31 581615
2016-06-30 609385
2016-09-30 551973
2016-12-31 440783
2017-03-31 353008
2017-06-30 347436
2017-09-30 338279
2017-12-31 330934
2018-03-31 322045
2018-06-30 243935
2018-09-30 276327
2018-12-31 293479
2019-03-31 295419
2019-06-30 326091
2019-09-30 396312
2019-12-31 338933
2020-03-31 463204
2020-06-30 413968
2020-09-30 414440
2020-12-31 439844
2021-03-31 385199
2021-06-30 336504
2021-09-30 319286
2021-12-31 312119
2022-03-31 330106
2022-06-30 358989
2022-09-30 405283
2022-12-31 323641
2023-03-31 288521
2023-06-30 303494
2023-09-30 315088