Quarterly US dollars
1999-03-31 12951
1999-06-30 12120
1999-09-30 11478
1999-12-31 10791
2000-03-31 10426
2000-06-30 10984
2000-09-30 12339
2000-12-31 11118
2001-03-31 10722
2001-06-30 10528
2001-09-30 10241
2001-12-31 10925
2002-03-31 11841
2002-06-30 12104
2002-09-30 11538
2002-12-31 11575
2003-03-31 13973
2003-06-30 14040
2003-09-30 14351
2003-12-31 13441
2004-03-31 17251
2004-06-30 15607
2004-09-30 17915
2004-12-31 17945
2005-03-31 16494
2005-06-30 17206
2005-09-30 17015
2005-12-31 17448
2006-03-31 20432
2006-06-30 21173
2006-09-30 23771
2006-12-31 27277
2007-03-31 27465
2007-06-30 31998
2007-09-30 31677
2007-12-31 39226
2008-03-31 39572
2008-06-30 37663
2008-09-30 39517
2008-12-31 34007
2009-03-31 32492
2009-06-30 30592
2009-09-30 31712
2009-12-31 33112
2010-03-31 35182
2010-06-30 38072
2010-09-30 41744
2010-12-31 40166
2011-03-31 41890
2011-06-30 45155
2011-09-30 45402
2011-12-31 44666
2012-03-31 43842
2012-06-30 44525
2012-09-30 42081
2012-12-31 42408
2013-03-31 46337
2013-06-30 45023
2013-09-30 46631
2013-12-31 48097
2014-03-31 50384
2014-06-30 47908
2014-09-30 48321
2014-12-31 45675
2015-03-31 42943
2015-06-30 42658
2015-09-30 46613
2015-12-31 43953
2016-03-31 45813
2016-06-30 46829
2016-09-30 44014
2016-12-31 39735
2017-03-31 40014
2017-06-30 45025
2017-09-30 47079
2017-12-31 47915
2018-03-31 46442
2018-06-30 40689
2018-09-30 42791
2018-12-31 45911
2019-03-31 43310
2019-06-30 44943
2019-09-30 41902
2019-12-31 42582
2020-03-31 47630
2020-06-30 43629
2020-09-30 47343
2020-12-31 48534
2021-03-31 47158
2021-06-30 47773
2021-09-30 50079
2021-12-31 47217
2022-03-31 46363
2022-06-30 46045
2022-09-30 46118
2022-12-31 47422
2023-03-31 46637
2023-06-30 44661
2023-09-30 50475