Quarterly US dollars
1999-03-31 78980
1999-06-30 75170
1999-09-30 78600
1999-12-31 78977
2000-03-31 82651
2000-06-30 85400
2000-09-30 93840
2000-12-31 99161
2001-03-31 108656
2001-06-30 107933
2001-09-30 109710
2001-12-31 100960
2002-03-31 92973
2002-06-30 96108
2002-09-30 94542
2002-12-31 101345
2003-03-31 107189
2003-06-30 102270
2003-09-30 105021
2003-12-31 111253
2004-03-31 119357
2004-06-30 118208
2004-09-30 137256
2004-12-31 131306
2005-03-31 131686
2005-06-30 143309
2005-09-30 162408
2005-12-31 159911
2006-03-31 180680
2006-06-30 189245
2006-09-30 211589
2006-12-31 218336
2007-03-31 222209
2007-06-30 226243
2007-09-30 247207
2007-12-31 299937
2008-03-31 303914
2008-06-30 270832
2008-09-30 279904
2008-12-31 255681
2009-03-31 212291
2009-06-30 216018
2009-09-30 216215
2009-12-31 226252
2010-03-31 218541
2010-06-30 213531
2010-09-30 202173
2010-12-31 212804
2011-03-31 237568
2011-06-30 240615
2011-09-30 238371
2011-12-31 243568
2012-03-31 285937
2012-06-30 302494
2012-09-30 269960
2012-12-31 253995
2013-03-31 261718
2013-06-30 248497
2013-09-30 260073
2013-12-31 257221
2014-03-31 269092
2014-06-30 265664
2014-09-30 263673
2014-12-31 253631
2015-03-31 238494
2015-06-30 248212
2015-09-30 254811
2015-12-31 244657
2016-03-31 235584
2016-06-30 238399
2016-09-30 233060
2016-12-31 229805
2017-03-31 253441
2017-06-30 257966
2017-09-30 264928
2017-12-31 267353
2018-03-31 293360
2018-06-30 268900
2018-09-30 270179
2018-12-31 268923
2019-03-31 282419
2019-06-30 300805
2019-09-30 292734
2019-12-31 292716
2020-03-31 302809
2020-06-30 266545
2020-09-30 263399
2020-12-31 262940
2021-03-31 258742
2021-06-30 256304
2021-09-30 271624
2021-12-31 259784
2022-03-31 276595
2022-06-30 290724
2022-09-30 297640
2022-12-31 286632
2023-03-31 309719
2023-06-30 319797
2023-09-30 303420