Quarterly US dollars
1999-03-31 102934
1999-06-30 102128
1999-09-30 106636
1999-12-31 103577
2000-03-31 119386
2000-06-30 125984
2000-09-30 140979
2000-12-31 139226
2001-03-31 152502
2001-06-30 157496
2001-09-30 158080
2001-12-31 144302
2002-03-31 128203
2002-06-30 137222
2002-09-30 134352
2002-12-31 148017
2003-03-31 157036
2003-06-30 154424
2003-09-30 163759
2003-12-31 183344
2004-03-31 207828
2004-06-30 220225
2004-09-30 245579
2004-12-31 241194
2005-03-31 269126
2005-06-30 273744
2005-09-30 304146
2005-12-31 308510
2006-03-31 353064
2006-06-30 374809
2006-09-30 406983
2006-12-31 408001
2007-03-31 440773
2007-06-30 433996
2007-09-30 481416
2007-12-31 514052
2008-03-31 486810
2008-06-30 428343
2008-09-30 458357
2008-12-31 319153
2009-03-31 286401
2009-06-30 283101
2009-09-30 282884
2009-12-31 269221
2010-03-31 275612
2010-06-30 266343
2010-09-30 263095
2010-12-31 278166
2011-03-31 297729
2011-06-30 294771
2011-09-30 291961
2011-12-31 299954
2012-03-31 322333
2012-06-30 331644
2012-09-30 324993
2012-12-31 307189
2013-03-31 336047
2013-06-30 315441
2013-09-30 329372
2013-12-31 359215
2014-03-31 360194
2014-06-30 370842
2014-09-30 363586
2014-12-31 346430
2015-03-31 334029
2015-06-30 347782
2015-09-30 357609
2015-12-31 349471
2016-03-31 340211
2016-06-30 341525
2016-09-30 331263
2016-12-31 313318
2017-03-31 349655
2017-06-30 339817
2017-09-30 333337
2017-12-31 338485
2018-03-31 356114
2018-06-30 327767
2018-09-30 346301
2018-12-31 349529
2019-03-31 387594
2019-06-30 392543
2019-09-30 354506
2019-12-31 349326
2020-03-31 375409
2020-06-30 328349
2020-09-30 326031
2020-12-31 346075
2021-03-31 368218
2021-06-30 365987
2021-09-30 372383
2021-12-31 376717
2022-03-31 389869
2022-06-30 386120
2022-09-30 360580
2022-12-31 333447
2023-03-31 340220
2023-06-30 341153
2023-09-30 322677