Quarterly US dollars
1999-03-31 35606
1999-06-30 34555
1999-09-30 38487
1999-12-31 37263
2000-03-31 38741
2000-06-30 34471
2000-09-30 36299
2000-12-31 38463
2001-03-31 36799
2001-06-30 36364
2001-09-30 36584
2001-12-31 36045
2002-03-31 33991
2002-06-30 31675
2002-09-30 32763
2002-12-31 31977
2003-03-31 30316
2003-06-30 29609
2003-09-30 28745
2003-12-31 28162
2004-03-31 31921
2004-06-30 28810
2004-09-30 28681
2004-12-31 31506
2005-03-31 29786
2005-06-30 38605
2005-09-30 41496
2005-12-31 48639
2006-03-31 52683
2006-06-30 59318
2006-09-30 52278
2006-12-31 53474
2007-03-31 61893
2007-06-30 59650
2007-09-30 72864
2007-12-31 70424
2008-03-31 83490
2008-06-30 83895
2008-09-30 84137
2008-12-31 75610
2009-03-31 77162
2009-06-30 77510
2009-09-30 72712
2009-12-31 71123
2010-03-31 65003
2010-06-30 64668
2010-09-30 72341
2010-12-31 69715
2011-03-31 71555
2011-06-30 72289
2011-09-30 69803
2011-12-31 63708
2012-03-31 67226
2012-06-30 66419
2012-09-30 67091
2012-12-31 66053
2013-03-31 60851
2013-06-30 45078
2013-09-30 45953
2013-12-31 47309
2014-03-31 48247
2014-06-30 47466
2014-09-30 46889
2014-12-31 44825
2015-03-31 37977
2015-06-30 37400
2015-09-30 34237
2015-12-31 32501
2016-03-31 31196
2016-06-30 35286
2016-09-30 35497
2016-12-31 35245
2017-03-31 36277
2017-06-30 42779
2017-09-30 47306
2017-12-31 50890
2018-03-31 52182
2018-06-30 49897
2018-09-30 52095
2018-12-31 48632
2019-03-31 48537
2019-06-30 52345
2019-09-30 53676
2019-12-31 57451
2020-03-31 58133
2020-06-30 49297
2020-09-30 46879
2020-12-31 47783
2021-03-31 44264
2021-06-30 47153
2021-09-30 46676
2021-12-31 47584
2022-03-31 47647
2022-06-30 49354
2022-09-30 55827
2022-12-31 34662
2023-03-31 30261
2023-06-30 41441
2023-09-30 41210