Quarterly US dollars
1999-03-31 143708
1999-06-30 133951
1999-09-30 170184
1999-12-31 193449
2000-03-31 202076
2000-06-30 194861
2000-09-30 191144
2000-12-31 231587
2001-03-31 226822
2001-06-30 191507
2001-09-30 205213
2001-12-31 206266
2002-03-31 198404
2002-06-30 220391
2002-09-30 222471
2002-12-31 245755
2003-03-31 266789
2003-06-30 282869
2003-09-30 272453
2003-12-31 303826
2004-03-31 309087
2004-06-30 322330
2004-09-30 267585
2004-12-31 296884
2005-03-31 313338
2005-06-30 320763
2005-09-30 313902
2005-12-31 273869
2006-03-31 313254
2006-06-30 328366
2006-09-30 303044
2006-12-31 235987
2007-03-31 389064
2007-06-30 348858
2007-09-30 354124
2007-12-31 461470
2008-03-31 470274
2008-06-30 309286
2008-09-30 293054
2008-12-31 209920
2009-03-31 214259
2009-06-30 213441
2009-09-30 225388
2009-12-31 188418
2010-03-31 189240
2010-06-30 188664
2010-09-30 191537
2010-12-31 220218
2011-03-31 170756
2011-06-30 183479
2011-09-30 190386
2011-12-31 200026
2012-03-31 177862
2012-06-30 157371
2012-09-30 170177
2012-12-31 180049
2013-03-31 181750
2013-06-30 193784
2013-09-30 223132
2013-12-31 217805
2014-03-31 217354
2014-06-30 239445
2014-09-30 206551
2014-12-31 200582
2015-03-31 179094
2015-06-30 178322
2015-09-30 173237
2015-12-31 168504
2016-03-31 115703
2016-06-30 129617
2016-09-30 130937
2016-12-31 136783
2017-03-31 128482
2017-06-30 166353
2017-09-30 150241
2017-12-31 148816
2018-03-31 129008
2018-06-30 137707
2018-09-30 121594
2018-12-31 132902
2019-03-31 125724
2019-06-30 130605
2019-09-30 116716
2019-12-31 118401
2020-03-31 104632
2020-06-30 108605
2020-09-30 117312
2020-12-31 122827
2021-03-31 145907
2021-06-30 127894
2021-09-30 138813
2021-12-31 139335
2022-03-31 135438
2022-06-30 140277
2022-09-30 105506
2022-12-31 143068
2023-03-31 196015
2023-06-30 173975
2023-09-30 168730