Quarterly US dollars
1999-03-31 70481
1999-06-30 71264
1999-09-30 81392
1999-12-31 100735
2000-03-31 104039
2000-06-30 111653
2000-09-30 116101
2000-12-31 157998
2001-03-31 128780
2001-06-30 103729
2001-09-30 115341
2001-12-31 125636
2002-03-31 110466
2002-06-30 119897
2002-09-30 115124
2002-12-31 132291
2003-03-31 131079
2003-06-30 145671
2003-09-30 136411
2003-12-31 174560
2004-03-31 196240
2004-06-30 190583
2004-09-30 144843
2004-12-31 151145
2005-03-31 157754
2005-06-30 170147
2005-09-30 162593
2005-12-31 145654
2006-03-31 165296
2006-06-30 192132
2006-09-30 171555
2006-12-31 129149
2007-03-31 246388
2007-06-30 180023
2007-09-30 200344
2007-12-31 326013
2008-03-31 297542
2008-06-30 200154
2008-09-30 208198
2008-12-31 166879
2009-03-31 166679
2009-06-30 207226
2009-09-30 160979
2009-12-31 150598
2010-03-31 160764
2010-06-30 164952
2010-09-30 164953
2010-12-31 171079
2011-03-31 113677
2011-06-30 127318
2011-09-30 172081
2011-12-31 220374
2012-03-31 191523
2012-06-30 200720
2012-09-30 216389
2012-12-31 193178
2013-03-31 199598
2013-06-30 160852
2013-09-30 163690
2013-12-31 176232
2014-03-31 159949
2014-06-30 148639
2014-09-30 163232
2014-12-31 151102
2015-03-31 166103
2015-06-30 162631
2015-09-30 160719
2015-12-31 163794
2016-03-31 138325
2016-06-30 155879
2016-09-30 169846
2016-12-31 183786
2017-03-31 167083
2017-06-30 172036
2017-09-30 162669
2017-12-31 166552
2018-03-31 160266
2018-06-30 200296
2018-09-30 163813
2018-12-31 185350
2019-03-31 167846
2019-06-30 152170
2019-09-30 174810
2019-12-31 195419
2020-03-31 163152
2020-06-30 185878
2020-09-30 201837
2020-12-31 195592
2021-03-31 190399
2021-06-30 185031
2021-09-30 172654
2021-12-31 201590
2022-03-31 198187
2022-06-30 194855
2022-09-30 174392
2022-12-31 203973
2023-03-31 175161
2023-06-30 188037
2023-09-30 192844