Quarterly US dollars
1999-03-31 9572
1999-06-30 11269
1999-09-30 13187
1999-12-31 14360
2000-03-31 15944
2000-06-30 15474
2000-09-30 15372
2000-12-31 16365
2001-03-31 16378
2001-06-30 17281
2001-09-30 20086
2001-12-31 18869
2002-03-31 20185
2002-06-30 21148
2002-09-30 21422
2002-12-31 23614
2003-03-31 28615
2003-06-30 33878
2003-09-30 33725
2003-12-31 36178
2004-03-31 44805
2004-06-30 45325
2004-09-30 49572
2004-12-31 61190
2005-03-31 62444
2005-06-30 67217
2005-09-30 69820
2005-12-31 68925
2006-03-31 75039
2006-06-30 75529
2006-09-30 93978
2006-12-31 105184
2007-03-31 129189
2007-06-30 134316
2007-09-30 152511
2007-12-31 158067
2008-03-31 168505
2008-06-30 161462
2008-09-30 147044
2008-12-31 126822
2009-03-31 120892
2009-06-30 124722
2009-09-30 125663
2009-12-31 124342
2010-03-31 122047
2010-06-30 103509
2010-09-30 113879
2010-12-31 149098
2011-03-31 159765
2011-06-30 159724
2011-09-30 146300
2011-12-31 146292
2012-03-31 144850
2012-06-30 132883
2012-09-30 132054
2012-12-31 133589
2013-03-31 129737
2013-06-30 127630
2013-09-30 120477
2013-12-31 116291
2014-03-31 108672
2014-06-30 108590
2014-09-30 106906
2014-12-31 105484
2015-03-31 107668
2015-06-30 112948
2015-09-30 114941
2015-12-31 114848
2016-03-31 115826
2016-06-30 100920
2016-09-30 102503
2016-12-31 102973
2017-03-31 101505
2017-06-30 107317
2017-09-30 107035
2017-12-31 99543
2018-03-31 115347
2018-06-30 108773
2018-09-30 119286
2018-12-31 135074
2019-03-31 132717
2019-06-30 130647
2019-09-30 128783
2019-12-31 136631
2020-03-31 134585
2020-06-30 134079
2020-09-30 143101
2020-12-31 145077
2021-03-31 146223
2021-06-30 135104
2021-09-30 138122
2021-12-31 141022
2022-03-31 137982
2022-06-30 131494
2022-09-30 120293
2022-12-31 112975
2023-03-31 112704
2023-06-30 118746
2023-09-30 114745