Quarterly US dollars
1999-03-31 2640
1999-06-30 3355
1999-09-30 2503
1999-12-31 3196
2000-03-31 3017
2000-06-30 3418
2000-09-30 2835
2000-12-31 3016
2001-03-31 3367
2001-06-30 2938
2001-09-30 3752
2001-12-31 4622
2002-03-31 4985
2002-06-30 3781
2002-09-30 2721
2002-12-31 5005
2003-03-31 5112
2003-06-30 7597
2003-09-30 5096
2003-12-31 5557
2004-03-31 4725
2004-06-30 4740
2004-09-30 6951
2004-12-31 5827
2005-03-31 8731
2005-06-30 8579
2005-09-30 7558
2005-12-31 7308
2006-03-31 8514
2006-06-30 8347
2006-09-30 9407
2006-12-31 10805
2007-03-31 10263
2007-06-30 10100
2007-09-30 9345
2007-12-31 8665
2008-03-31 10414
2008-06-30 8967
2008-09-30 6850
2008-12-31 4206
2009-03-31 4275
2009-06-30 5413
2009-09-30 3699
2009-12-31 4214
2010-03-31 4990
2010-06-30 4541
2010-09-30 2954
2010-12-31 3423
2011-03-31 4021
2011-06-30 3272
2011-09-30 3604
2011-12-31 4732
2012-03-31 4859
2012-06-30 6458
2012-09-30 3683
2012-12-31 4018
2013-03-31 2987
2013-06-30 3317
2013-09-30 5283
2013-12-31 3113
2014-03-31 2750
2014-06-30 2250
2014-09-30 2899
2014-12-31 3767
2015-03-31 2976
2015-06-30 2477
2015-09-30 2110
2015-12-31 1760
2016-03-31 2603
2016-06-30 2177
2016-09-30 2473
2016-12-31 3251
2017-03-31 3037
2017-06-30 3933
2017-09-30 3311
2017-12-31 4725
2018-03-31 2825
2018-06-30 2318
2018-09-30 1693
2018-12-31 3055
2019-03-31 3739
2019-06-30 5272
2019-09-30 3057
2019-12-31 4190
2020-03-31 5835
2020-06-30 4199
2020-09-30 4014
2020-12-31 4340
2021-03-31 5706
2021-06-30 4602
2021-09-30 4785
2021-12-31 4991
2022-03-31 4734
2022-06-30 5762
2022-09-30 5141
2022-12-31 7494
2023-03-31 9267
2023-06-30 5028
2023-09-30 5732