Quarterly US dollars
1999-03-31 7335
1999-06-30 6926
1999-09-30 6704
1999-12-31 6041
2000-03-31 6138
2000-06-30 5879
2000-09-30 6045
2000-12-31 6356
2001-03-31 6579
2001-06-30 6488
2001-09-30 6519
2001-12-31 6288
2002-03-31 6568
2002-06-30 6099
2002-09-30 6690
2002-12-31 7112
2003-03-31 6751
2003-06-30 8467
2003-09-30 10313
2003-12-31 12592
2004-03-31 17391
2004-06-30 19535
2004-09-30 20730
2004-12-31 22620
2005-03-31 21471
2005-06-30 22195
2005-09-30 26695
2005-12-31 23963
2006-03-31 29738
2006-06-30 30410
2006-09-30 32549
2006-12-31 34086
2007-03-31 33121
2007-06-30 38539
2007-09-30 23400
2007-12-31 12298
2008-03-31 8092
2008-06-30 5874
2008-09-30 4290
2008-12-31 7638
2009-03-31 9767
2009-06-30 8826
2009-09-30 5865
2009-12-31 5218
2010-03-31 7176
2010-06-30 2528
2010-09-30 3997
2010-12-31 3796
2011-03-31 5549
2011-06-30 3480
2011-09-30 3125
2011-12-31 3523
2012-03-31 4466
2012-06-30 3942
2012-09-30 3616
2012-12-31 4520
2013-03-31 7645
2013-06-30 5164
2013-09-30 6976
2013-12-31 11478
2014-03-31 12152
2014-06-30 12839
2014-09-30 13732
2014-12-31 11171
2015-03-31 10747
2015-06-30 11103
2015-09-30 13188
2015-12-31 14864
2016-03-31 18475
2016-06-30 17853
2016-09-30 19201
2016-12-31 15445
2017-03-31 18627
2017-06-30 17477
2017-09-30 17681
2017-12-31 17917
2018-03-31 17460
2018-06-30 16115
2018-09-30 18992
2018-12-31 19675
2019-03-31 23005
2019-06-30 24413
2019-09-30 25157
2019-12-31 24885
2020-03-31 25740
2020-06-30 20691
2020-09-30 15588
2020-12-31 17266
2021-03-31 27938
2021-06-30 31244
2021-09-30 33377
2021-12-31 37654
2022-03-31 39389
2022-06-30 36873
2022-09-30 36502
2022-12-31 35370
2023-03-31 30052
2023-06-30 23462
2023-09-30 32234