Quarterly US dollars
1999-03-31 34757
1999-06-30 35729
1999-09-30 36531
1999-12-31 33968
2000-03-31 43217
2000-06-30 42990
2000-09-30 44888
2000-12-31 43055
2001-03-31 46100
2001-06-30 49689
2001-09-30 49372
2001-12-31 44477
2002-03-31 42330
2002-06-30 45854
2002-09-30 44355
2002-12-31 44360
2003-03-31 47997
2003-06-30 47396
2003-09-30 52478
2003-12-31 62427
2004-03-31 77868
2004-06-30 83625
2004-09-30 90266
2004-12-31 87726
2005-03-31 96173
2005-06-30 83248
2005-09-30 95882
2005-12-31 88483
2006-03-31 99717
2006-06-30 98826
2006-09-30 106379
2006-12-31 110254
2007-03-31 123763
2007-06-30 130031
2007-09-30 141686
2007-12-31 135464
2008-03-31 116888
2008-06-30 89176
2008-09-30 86258
2008-12-31 69318
2009-03-31 73444
2009-06-30 80492
2009-09-30 69734
2009-12-31 57368
2010-03-31 65881
2010-06-30 78946
2010-09-30 78573
2010-12-31 82122
2011-03-31 82144
2011-06-30 79831
2011-09-30 86353
2011-12-31 97466
2012-03-31 91318
2012-06-30 85592
2012-09-30 99799
2012-12-31 99142
2013-03-31 103522
2013-06-30 91030
2013-09-30 101886
2013-12-31 119102
2014-03-31 121783
2014-06-30 144067
2014-09-30 144626
2014-12-31 138779
2015-03-31 136189
2015-06-30 137905
2015-09-30 140221
2015-12-31 140389
2016-03-31 155269
2016-06-30 145387
2016-09-30 151365
2016-12-31 127817
2017-03-31 146171
2017-06-30 145977
2017-09-30 147160
2017-12-31 148976
2018-03-31 147617
2018-06-30 128818
2018-09-30 143599
2018-12-31 144763
2019-03-31 178401
2019-06-30 173384
2019-09-30 157888
2019-12-31 144328
2020-03-31 181792
2020-06-30 154111
2020-09-30 161559
2020-12-31 173783
2021-03-31 209944
2021-06-30 211232
2021-09-30 217923
2021-12-31 221819
2022-03-31 236952
2022-06-30 222431
2022-09-30 191014
2022-12-31 175680
2023-03-31 165322
2023-06-30 149335
2023-09-30 158411