Quarterly US dollars
1999-03-31 36553
1999-06-30 38119
1999-09-30 39880
1999-12-31 45154
2000-03-31 41575
2000-06-30 43906
2000-09-30 43045
2000-12-31 53344
2001-03-31 56641
2001-06-30 50771
2001-09-30 49589
2001-12-31 52146
2002-03-31 50413
2002-06-30 46609
2002-09-30 40467
2002-12-31 46536
2003-03-31 37569
2003-06-30 37523
2003-09-30 37086
2003-12-31 49290
2004-03-31 44376
2004-06-30 38040
2004-09-30 46290
2004-12-31 51811
2005-03-31 45229
2005-06-30 42119
2005-09-30 37414
2005-12-31 52077
2006-03-31 56723
2006-06-30 54672
2006-09-30 58513
2006-12-31 68112
2007-03-31 72355
2007-06-30 90993
2007-09-30 126770
2007-12-31 140272
2008-03-31 130594
2008-06-30 97009
2008-09-30 115500
2008-12-31 116164
2009-03-31 102753
2009-06-30 88734
2009-09-30 83952
2009-12-31 63122
2010-03-31 48952
2010-06-30 43435
2010-09-30 41605
2010-12-31 41770
2011-03-31 37278
2011-06-30 36798
2011-09-30 38908
2011-12-31 46191
2012-03-31 40213
2012-06-30 38792
2012-09-30 50744
2012-12-31 38974
2013-03-31 38018
2013-06-30 38328
2013-09-30 39529
2013-12-31 49109
2014-03-31 39332
2014-06-30 54025
2014-09-30 46040
2014-12-31 56366
2015-03-31 66545
2015-06-30 63804
2015-09-30 57935
2015-12-31 65415
2016-03-31 61580
2016-06-30 55806
2016-09-30 68333
2016-12-31 66348
2017-03-31 70541
2017-06-30 61175
2017-09-30 57525
2017-12-31 67592
2018-03-31 65269
2018-06-30 52901
2018-09-30 48356
2018-12-31 59985
2019-03-31 51850
2019-06-30 46338
2019-09-30 39690
2019-12-31 62195
2020-03-31 49117
2020-06-30 50280
2020-09-30 61485
2020-12-31 66263
2021-03-31 63094
2021-06-30 60535
2021-09-30 68127
2021-12-31 72010
2022-03-31 72281
2022-06-30 78272
2022-09-30 77979
2022-12-31 85086
2023-03-31 81879
2023-06-30 87467
2023-09-30 78597