Quarterly US dollars
1999-03-31 1156
1999-06-30 1110
1999-09-30 1092
1999-12-31 1092
2000-03-31 1110
2000-06-30 1083
2000-09-30 1188
2000-12-31 918
2001-03-31 832
2001-06-30 1015
2001-09-30 1063
2001-12-31 1096
2002-03-31 1121
2002-06-30 1194
2002-09-30 1230
2002-12-31 1537
2003-03-31 1883
2003-06-30 2223
2003-09-30 2874
2003-12-31 3109
2004-03-31 3703
2004-06-30 4431
2004-09-30 4274
2004-12-31 4494
2005-03-31 5085
2005-06-30 5343
2005-09-30 6356
2005-12-31 5856
2006-03-31 5698
2006-06-30 5992
2006-09-30 7290
2006-12-31 7249
2007-03-31 8170
2007-06-30 8629
2007-09-30 11005
2007-12-31 11498
2008-03-31 15155
2008-06-30 16103
2008-09-30 15518
2008-12-31 13792
2009-03-31 13713
2009-06-30 13428
2009-09-30 12339
2009-12-31 13601
2010-03-31 17367
2010-06-30 15819
2010-09-30 16063
2010-12-31 18278
2011-03-31 20737
2011-06-30 22633
2011-09-30 22750
2011-12-31 19762
2012-03-31 21217
2012-06-30 20059
2012-09-30 22311
2012-12-31 24387
2013-03-31 25364
2013-06-30 25428
2013-09-30 24684
2013-12-31 23773
2014-03-31 21536
2014-06-30 22315
2014-09-30 18858
2014-12-31 18867
2015-03-31 20415
2015-06-30 19444
2015-09-30 17108
2015-12-31 15214
2016-03-31 14281
2016-06-30 11010
2016-09-30 11404
2016-12-31 11836
2017-03-31 12921
2017-06-30 12962
2017-09-30 14442
2017-12-31 15868
2018-03-31 16828
2018-06-30 16951
2018-09-30 18162
2018-12-31 16816
2019-03-31 18177
2019-06-30 17919
2019-09-30 16838
2019-12-31 14152
2020-03-31 14220
2020-06-30 11931
2020-09-30 12290
2020-12-31 10399
2021-03-31 11672
2021-06-30 10771
2021-09-30 11213
2021-12-31 16447
2022-03-31 17088
2022-06-30 15135
2022-09-30 19550
2022-12-31 16075
2023-03-31 15478
2023-06-30 11649
2023-09-30 15856