Quarterly US dollars
1999-03-31 9251
1999-06-30 7974
1999-09-30 7689
1999-12-31 9192
2000-03-31 10305
2000-06-30 9317
2000-09-30 8968
2000-12-31 9094
2001-03-31 9339
2001-06-30 9888
2001-09-30 12058
2001-12-31 13814
2002-03-31 13585
2002-06-30 17529
2002-09-30 19204
2002-12-31 20537
2003-03-31 21341
2003-06-30 23617
2003-09-30 26082
2003-12-31 30062
2004-03-31 31814
2004-06-30 31575
2004-09-30 34647
2004-12-31 37366
2005-03-31 36962
2005-06-30 37694
2005-09-30 42070
2005-12-31 41877
2006-03-31 41994
2006-06-30 45367
2006-09-30 48765
2006-12-31 55805
2007-03-31 56134
2007-06-30 58324
2007-09-30 65245
2007-12-31 90096
2008-03-31 85522
2008-06-30 95428
2008-09-30 87158
2008-12-31 82674
2009-03-31 81273
2009-06-30 81732
2009-09-30 75458
2009-12-31 67649
2010-03-31 69777
2010-06-30 61955
2010-09-30 67918
2010-12-31 67798
2011-03-31 67382
2011-06-30 65802
2011-09-30 62936
2011-12-31 58220
2012-03-31 67460
2012-06-30 63907
2012-09-30 58991
2012-12-31 61782
2013-03-31 53538
2013-06-30 47694
2013-09-30 43958
2013-12-31 49096
2014-03-31 49318
2014-06-30 49710
2014-09-30 47532
2014-12-31 45415
2015-03-31 46413
2015-06-30 51202
2015-09-30 47868
2015-12-31 46681
2016-03-31 56896
2016-06-30 57524
2016-09-30 54594
2016-12-31 49898
2017-03-31 58034
2017-06-30 63109
2017-09-30 59249
2017-12-31 57721
2018-03-31 60783
2018-06-30 61428
2018-09-30 57965
2018-12-31 58563
2019-03-31 52215
2019-06-30 57122
2019-09-30 60743
2019-12-31 65072
2020-03-31 59034
2020-06-30 55459
2020-09-30 60155
2020-12-31 61399
2021-03-31 58908
2021-06-30 62343
2021-09-30 63781
2021-12-31 62997
2022-03-31 60746
2022-06-30 62645
2022-09-30 58877
2022-12-31 60821
2023-03-31 60599
2023-06-30 63349
2023-09-30 62471