Quarterly US dollars
1999-03-31 1155
1999-06-30 1272
1999-09-30 1171
1999-12-31 1915
2000-03-31 1945
2000-06-30 2414
2000-09-30 3465
2000-12-31 2222
2001-03-31 4134
2001-06-30 3955
2001-09-30 2609
2001-12-31 2233
2002-03-31 1668
2002-06-30 1518
2002-09-30 1680
2002-12-31 1848
2003-03-31 2144
2003-06-30 3105
2003-09-30 3744
2003-12-31 7545
2004-03-31 8858
2004-06-30 5003
2004-09-30 5232
2004-12-31 5214
2005-03-31 5492
2005-06-30 5006
2005-09-30 4758
2005-12-31 6535
2006-03-31 4850
2006-06-30 8017
2006-09-30 10318
2006-12-31 11352
2007-03-31 14457
2007-06-30 13013
2007-09-30 19168
2007-12-31 11726
2008-03-31 16624
2008-06-30 9392
2008-09-30 6945
2008-12-31 4481
2009-03-31 3247
2009-06-30 3332
2009-09-30 4530
2009-12-31 3993
2010-03-31 4470
2010-06-30 5429
2010-09-30 5349
2010-12-31 4488
2011-03-31 11290
2011-06-30 7683
2011-09-30 7785
2011-12-31 6099
2012-03-31 6941
2012-06-30 5681
2012-09-30 5760
2012-12-31 5382
2013-03-31 5011
2013-06-30 4839
2013-09-30 5637
2013-12-31 6203
2014-03-31 6468
2014-06-30 6482
2014-09-30 6607
2014-12-31 6206
2015-03-31 5676
2015-06-30 6452
2015-09-30 5694
2015-12-31 5037
2016-03-31 6230
2016-06-30 5522
2016-09-30 6579
2016-12-31 6121
2017-03-31 6613
2017-06-30 7948
2017-09-30 7945
2017-12-31 7692
2018-03-31 8820
2018-06-30 7395
2018-09-30 7783
2018-12-31 7035
2019-03-31 5845
2019-06-30 7905
2019-09-30 5979
2019-12-31 4381
2020-03-31 5460
2020-06-30 5846
2020-09-30 5995
2020-12-31 5752
2021-03-31 7000
2021-06-30 6350
2021-09-30 6406
2021-12-31 6689
2022-03-31 5615
2022-06-30 5358
2022-09-30 6626
2022-12-31 6079
2023-03-31 4410
2023-06-30 5854
2023-09-30 6097