Quarterly US dollars
1999-03-31 5291
1999-06-30 5661
1999-09-30 5587
1999-12-31 2682
2000-03-31 4739
2000-06-30 4162
2000-09-30 2836
2000-12-31 2566
2001-03-31 2507
2001-06-30 3602
2001-09-30 2779
2001-12-31 1896
2002-03-31 2446
2002-06-30 2057
2002-09-30 4577
2002-12-31 1654
2003-03-31 5800
2003-06-30 3069
2003-09-30 4578
2003-12-31 2207
2004-03-31 4103
2004-06-30 3049
2004-09-30 2853
2004-12-31 3902
2005-03-31 8233
2005-06-30 3868
2005-09-30 9118
2005-12-31 1987
2006-03-31 8480
2006-06-30 6088
2006-09-30 10149
2006-12-31 4289
2007-03-31 11729
2007-06-30 7905
2007-09-30 17716
2007-12-31 9745
2008-03-31 23992
2008-06-30 11904
2008-09-30 7223
2008-12-31 3931
2009-03-31 4207
2009-06-30 4469
2009-09-30 8511
2009-12-31 12049
2010-03-31 14314
2010-06-30 12463
2010-09-30 12066
2010-12-31 12032
2011-03-31 15899
2011-06-30 17643
2011-09-30 17400
2011-12-31 16014
2012-03-31 18696
2012-06-30 14135
2012-09-30 15392
2012-12-31 15394
2013-03-31 30495
2013-06-30 37227
2013-09-30 34776
2013-12-31 35788
2014-03-31 47754
2014-06-30 44795
2014-09-30 40485
2014-12-31 29203
2015-03-31 33956
2015-06-30 35813
2015-09-30 30839
2015-12-31 28021
2016-03-31 27520
2016-06-30 28344
2016-09-30 25850
2016-12-31 30881
2017-03-31 33320
2017-06-30 36444
2017-09-30 43564
2017-12-31 47965
2018-03-31 40919
2018-06-30 35395
2018-09-30 46534
2018-12-31 48650
2019-03-31 52936
2019-06-30 49806
2019-09-30 41300
2019-12-31 44881
2020-03-31 46449
2020-06-30 38496
2020-09-30 35895
2020-12-31 42279
2021-03-31 43955
2021-06-30 43625
2021-09-30 45274
2021-12-31 46501
2022-03-31 38624
2022-06-30 39608
2022-09-30 41663
2022-12-31 43808
2023-03-31 43802
2023-06-30 38475
2023-09-30 42139