Quarterly US dollars
1999-03-31 106333
1999-06-30 101553
1999-09-30 107981
1999-12-31 98674
2000-03-31 102542
2000-06-30 122177
2000-09-30 122547
2000-12-31 126822
2001-03-31 128583
2001-06-30 118936
2001-09-30 123832
2001-12-31 100248
2002-03-31 114702
2002-06-30 99193
2002-09-30 102075
2002-12-31 106186
2003-03-31 117550
2003-06-30 126315
2003-09-30 133409
2003-12-31 137339
2004-03-31 159780
2004-06-30 157430
2004-09-30 151878
2004-12-31 180900
2005-03-31 173592
2005-06-30 194568
2005-09-30 176801
2005-12-31 187877
2006-03-31 202335
2006-06-30 229489
2006-09-30 218928
2006-12-31 221711
2007-03-31 211362
2007-06-30 235140
2007-09-30 278856
2007-12-31 258090
2008-03-31 270370
2008-06-30 257315
2008-09-30 258219
2008-12-31 211021
2009-03-31 252981
2009-06-30 202308
2009-09-30 227412
2009-12-31 230049
2010-03-31 222846
2010-06-30 235244
2010-09-30 257409
2010-12-31 270648
2011-03-31 285632
2011-06-30 308967
2011-09-30 306011
2011-12-31 313559
2012-03-31 293117
2012-06-30 289860
2012-09-30 266699
2012-12-31 267278
2013-03-31 265247
2013-06-30 254059
2013-09-30 274765
2013-12-31 306563
2014-03-31 332251
2014-06-30 361457
2014-09-30 359771
2014-12-31 310858
2015-03-31 286329
2015-06-30 275633
2015-09-30 246640
2015-12-31 240365
2016-03-31 238548
2016-06-30 264897
2016-09-30 278077
2016-12-31 256736
2017-03-31 265854
2017-06-30 259052
2017-09-30 270630
2017-12-31 265491
2018-03-31 279638
2018-06-30 267280
2018-09-30 253385
2018-12-31 223993
2019-03-31 233789
2019-06-30 236858
2019-09-30 226663
2019-12-31 222616
2020-03-31 250018
2020-06-30 193675
2020-09-30 188874
2020-12-31 204795
2021-03-31 226056
2021-06-30 214011
2021-09-30 231222
2021-12-31 221951
2022-03-31 250305
2022-06-30 229000
2022-09-30 245339
2022-12-31 241770
2023-03-31 270128
2023-06-30 258421
2023-09-30 207214