Quarterly US dollars
1999-09-30 20354
1999-12-31 21607
2000-03-31 22537
2000-06-30 23332
2000-09-30 23347
2000-12-31 26130
2001-03-31 25531
2001-06-30 25066
2001-09-30 25617
2001-12-31 25595
2002-03-31 26662
2002-06-30 27641
2002-09-30 29599
2002-12-31 29902
2003-03-31 29202
2003-06-30 29842
2003-09-30 31288
2003-12-31 35529
2004-03-31 37267
2004-06-30 36706
2004-09-30 39635
2004-12-31 43860
2005-03-31 46523
2005-06-30 47456
2005-09-30 100409
2005-12-31 102280
2006-03-31 117944
2006-06-30 111772
2006-09-30 115051
2006-12-31 125385
2007-03-31 138207
2007-06-30 148855
2007-09-30 176082
2007-12-31 188636
2008-03-31 195494
2008-06-30 200582
2008-09-30 201295
2008-12-31 177781
2009-03-31 180626
2009-06-30 192993
2009-09-30 194931
2009-12-31 199467
2010-03-31 210773
2010-06-30 212187
2010-09-30 224747
2010-12-31 237244
2011-03-31 233612
2011-06-30 234930
2011-09-30 225950
2011-12-31 218113
2012-03-31 227013
2012-06-30 228253
2012-09-30 228294
2012-12-31 223605
2013-03-31 214421
2013-06-30 206835
2013-09-30 213656
2013-12-31 203413
2014-03-31 212667
2014-06-30 212446
2014-09-30 210920
2014-12-31 209711
2015-03-31 208799
2015-06-30 211675
2015-09-30 208220
2015-12-31 203861
2016-03-31 197463
2016-06-30 197872
2016-09-30 202541
2016-12-31 194871
2017-03-31 199345
2017-06-30 149273
2017-09-30 151980
2017-12-31 154411
2018-03-31 159126
2018-06-30 147570
2018-09-30 147189
2018-12-31 149946
2019-03-31 156664
2019-06-30 159105
2019-09-30 159156
2019-12-31 162531
2020-03-31 164150
2020-06-30 161598
2020-09-30 154088
2020-12-31 164853
2021-03-31 159653
2021-06-30 162065
2021-09-30 160508
2021-12-31 169344
2022-03-31 167934
2022-06-30 165305
2022-09-30 163250
2022-12-31 163543
2023-03-31 167335
2023-06-30 164128
2023-09-30 154776