Quarterly US dollars
1999-03-31 1195
1999-06-30 1419
1999-09-30 1438
1999-12-31 1592
2000-03-31 2217
2000-06-30 2786
2000-09-30 3038
2000-12-31 3010
2001-03-31 3095
2001-06-30 2907
2001-09-30 2982
2001-12-31 3430
2002-03-31 3608
2002-06-30 3956
2002-09-30 4947
2002-12-31 4420
2003-03-31 5418
2003-06-30 3430
2003-09-30 3444
2003-12-31 3631
2004-03-31 3598
2004-06-30 3620
2004-09-30 3430
2004-12-31 3697
2005-03-31 4257
2005-06-30 4300
2005-09-30 4250
2005-12-31 4665
2006-03-31 5827
2006-06-30 6557
2006-09-30 7053
2006-12-31 9362
2007-03-31 8363
2007-06-30 8930
2007-09-30 10718
2007-12-31 12232
2008-03-31 12708
2008-06-30 13466
2008-09-30 12907
2008-12-31 8711
2009-03-31 7447
2009-06-30 7452
2009-09-30 7576
2009-12-31 9054
2010-03-31 10441
2010-06-30 9743
2010-09-30 9835
2010-12-31 8506
2011-03-31 7063
2011-06-30 6055
2011-09-30 6238
2011-12-31 6467
2012-03-31 8557
2012-06-30 7947
2012-09-30 8522
2012-12-31 9944
2013-03-31 9521
2013-06-30 9523
2013-09-30 9410
2013-12-31 10085
2014-03-31 9066
2014-06-30 9390
2014-09-30 8999
2014-12-31 9859
2015-03-31 7512
2015-06-30 8430
2015-09-30 6997
2015-12-31 5931
2016-03-31 5798
2016-06-30 7405
2016-09-30 7490
2016-12-31 7563
2017-03-31 10479
2017-06-30 11045
2017-09-30 12044
2017-12-31 14338
2018-03-31 19071
2018-06-30 18700
2018-09-30 18697
2018-12-31 18574
2019-03-31 19208
2019-06-30 19399
2019-09-30 14598
2019-12-31 9072
2020-03-31 8486
2020-06-30 8702
2020-09-30 8115
2020-12-31 9341
2021-03-31 10799
2021-06-30 11196
2021-09-30 13035
2021-12-31 13558
2022-03-31 13681
2022-06-30 15460
2022-09-30 14526
2022-12-31 13907
2023-03-31 11867
2023-06-30 10082
2023-09-30 10520