Quarterly US dollars
1999-03-31 145531
1999-06-30 135374
1999-09-30 145309
1999-12-31 147696
2000-03-31 155680
2000-06-30 163115
2000-09-30 154524
2000-12-31 162761
2001-03-31 161938
2001-06-30 168465
2001-09-30 168081
2001-12-31 149415
2002-03-31 135773
2002-06-30 138136
2002-09-30 133146
2002-12-31 158384
2003-03-31 134761
2003-06-30 123238
2003-09-30 116055
2003-12-31 117147
2004-03-31 125083
2004-06-30 118091
2004-09-30 125336
2004-12-31 139345
2005-03-31 118209
2005-06-30 128289
2005-09-30 134214
2005-12-31 138237
2006-03-31 119683
2006-06-30 137734
2006-09-30 132459
2006-12-31 128199
2007-03-31 135629
2007-06-30 150771
2007-09-30 179353
2007-12-31 205916
2008-03-31 199163
2008-06-30 206914
2008-09-30 198400
2008-12-31 206806
2009-03-31 178433
2009-06-30 209658
2009-09-30 206486
2009-12-31 184327
2010-03-31 176528
2010-06-30 166332
2010-09-30 172267
2010-12-31 161560
2011-03-31 182359
2011-06-30 188312
2011-09-30 186994
2011-12-31 199082
2012-03-31 177961
2012-06-30 189139
2012-09-30 197263
2012-12-31 193564
2013-03-31 193888
2013-06-30 188191
2013-09-30 202408
2013-12-31 209818
2014-03-31 198590
2014-06-30 202750
2014-09-30 183334
2014-12-31 199810
2015-03-31 183587
2015-06-30 188653
2015-09-30 199918
2015-12-31 223628
2016-03-31 209648
2016-06-30 232624
2016-09-30 229803
2016-12-31 202227
2017-03-31 191980
2017-06-30 196399
2017-09-30 209871
2017-12-31 226788
2018-03-31 235398
2018-06-30 225718
2018-09-30 230475
2018-12-31 251860
2019-03-31 249753
2019-06-30 249631
2019-09-30 250022
2019-12-31 259926
2020-03-31 286023
2020-06-30 274955
2020-09-30 278338
2020-12-31 307893
2021-03-31 294956
2021-06-30 296370
2021-09-30 286763
2021-12-31 299571
2022-03-31 312480
2022-06-30 295590
2022-09-30 306345
2022-12-31 318972
2023-03-31 299218
2023-06-30 286266
2023-09-30 295676