Quarterly US dollars
1999-03-31 31032
1999-06-30 30572
1999-09-30 32295
1999-12-31 30518
2000-03-31 32945
2000-06-30 33303
2000-09-30 33259
2000-12-31 34882
2001-03-31 35738
2001-06-30 36507
2001-09-30 36161
2001-12-31 34722
2002-03-31 34673
2002-06-30 35031
2002-09-30 34486
2002-12-31 32478
2003-03-31 32542
2003-06-30 32275
2003-09-30 32582
2003-12-31 35076
2004-03-31 35873
2004-06-30 35355
2004-09-30 38195
2004-12-31 38649
2005-03-31 38901
2005-06-30 40571
2005-09-30 46593
2005-12-31 42375
2006-03-31 48395
2006-06-30 51271
2006-09-30 57544
2006-12-31 57105
2007-03-31 62442
2007-06-30 64649
2007-09-30 70167
2007-12-31 75831
2008-03-31 72574
2008-06-30 75958
2008-09-30 64304
2008-12-31 52876
2009-03-31 50425
2009-06-30 54828
2009-09-30 51796
2009-12-31 51877
2010-03-31 52945
2010-06-30 59306
2010-09-30 58953
2010-12-31 57608
2011-03-31 67418
2011-06-30 67911
2011-09-30 72045
2011-12-31 69255
2012-03-31 91753
2012-06-30 90133
2012-09-30 83989
2012-12-31 73895
2013-03-31 73309
2013-06-30 74030
2013-09-30 75687
2013-12-31 62472
2014-03-31 76678
2014-06-30 77599
2014-09-30 74662
2014-12-31 71351
2015-03-31 70574
2015-06-30 69012
2015-09-30 68028
2015-12-31 65459
2016-03-31 66428
2016-06-30 71167
2016-09-30 73557
2016-12-31 68158
2017-03-31 73999
2017-06-30 77280
2017-09-30 86531
2017-12-31 86643
2018-03-31 97637
2018-06-30 86012
2018-09-30 89607
2018-12-31 93922
2019-03-31 96321
2019-06-30 101367
2019-09-30 117742
2019-12-31 114681
2020-03-31 132696
2020-06-30 109319
2020-09-30 111209
2020-12-31 113399
2021-03-31 107896
2021-06-30 111487
2021-09-30 128221
2021-12-31 126304
2022-03-31 136231
2022-06-30 129506
2022-09-30 147110
2022-12-31 147290
2023-03-31 156332
2023-06-30 150235
2023-09-30 150603