Quarterly US dollars
1999-09-30 38006
1999-12-31 34164
2000-03-31 37399
2000-06-30 35253
2000-09-30 34987
2000-12-31 82146
2001-03-31 78359
2001-06-30 78357
2001-09-30 79968
2001-12-31 77606
2002-03-31 73076
2002-06-30 83676
2002-09-30 84472
2002-12-31 81260
2003-03-31 91432
2003-06-30 99899
2003-09-30 101869
2003-12-31 98843
2004-03-31 107938
2004-06-30 111849
2004-09-30 116728
2004-12-31 109356
2005-03-31 128990
2005-06-30 107247
2005-09-30 111305
2005-12-31 111752
2006-03-31 144189
2006-06-30 157112
2006-09-30 172293
2006-12-31 176212
2007-03-31 212179
2007-06-30 250668
2007-09-30 278808
2007-12-31 262078
2008-03-31 307446
2008-06-30 258928
2008-09-30 250205
2008-12-31 218729
2009-03-31 216302
2009-06-30 250269
2009-09-30 263501
2009-12-31 239166
2010-03-31 285740
2010-06-30 257106
2010-09-30 277726
2010-12-31 256902
2011-03-31 279693
2011-06-30 291588
2011-09-30 267770
2011-12-31 292180
2012-03-31 242619
2012-06-30 246444
2012-09-30 215848
2012-12-31 208254
2013-03-31 226859
2013-06-30 226442
2013-09-30 224470
2013-12-31 206532
2014-03-31 210425
2014-06-30 206663
2014-09-30 196108
2014-12-31 175585
2015-03-31 170472
2015-06-30 172020
2015-09-30 164628
2015-12-31 146114
2016-03-31 155280
2016-06-30 144499
2016-09-30 139734
2016-12-31 130941
2017-03-31 160814
2017-06-30 207357
2017-09-30 210831
2017-12-31 225598
2018-03-31 213836
2018-06-30 191079
2018-09-30 219432
2018-12-31 242971
2019-03-31 270775
2019-06-30 283465
2019-09-30 264284
2019-12-31 249875
2020-03-31 293088
2020-06-30 300643
2020-09-30 343559
2020-12-31 362093
2021-03-31 383111
2021-06-30 395240
2021-09-30 377765
2021-12-31 351743
2022-03-31 404641
2022-06-30 379767
2022-09-30 374222
2022-12-31 403190
2023-03-31 400379
2023-06-30 411597
2023-09-30 405129