Quarterly US dollars
1999-03-31 68215
1999-06-30 64854
1999-09-30 64174
1999-12-31 63980
2000-03-31 63778
2000-06-30 62253
2000-09-30 63832
2000-12-31 61540
2001-03-31 60692
2001-06-30 59081
2001-09-30 58910
2001-12-31 61011
2002-03-31 62676
2002-06-30 63889
2002-09-30 62791
2002-12-31 66410
2003-03-31 66016
2003-06-30 67137
2003-09-30 72378
2003-12-31 70913
2004-03-31 83017
2004-06-30 81085
2004-09-30 83379
2004-12-31 93723
2005-03-31 86883
2005-06-30 90210
2005-09-30 96002
2005-12-31 105595
2006-03-31 121766
2006-06-30 121234
2006-09-30 135049
2006-12-31 144755
2007-03-31 153984
2007-06-30 182662
2007-09-30 189129
2007-12-31 204271
2008-03-31 215198
2008-06-30 222212
2008-09-30 207900
2008-12-31 193261
2009-03-31 186862
2009-06-30 184122
2009-09-30 188335
2009-12-31 185923
2010-03-31 191066
2010-06-30 188142
2010-09-30 199642
2010-12-31 195782
2011-03-31 198209
2011-06-30 207786
2011-09-30 196111
2011-12-31 194233
2012-03-31 197401
2012-06-30 198938
2012-09-30 202816
2012-12-31 203609
2013-03-31 209490
2013-06-30 194062
2013-09-30 203779
2013-12-31 208346
2014-03-31 199887
2014-06-30 200535
2014-09-30 194831
2014-12-31 184481
2015-03-31 177248
2015-06-30 177448
2015-09-30 180226
2015-12-31 179129
2016-03-31 169452
2016-06-30 176278
2016-09-30 174193
2016-12-31 163078
2017-03-31 167847
2017-06-30 171313
2017-09-30 179448
2017-12-31 190407
2018-03-31 195518
2018-06-30 180535
2018-09-30 180690
2018-12-31 188384
2019-03-31 195074
2019-06-30 196072
2019-09-30 192463
2019-12-31 198792
2020-03-31 198868
2020-06-30 192337
2020-09-30 197207
2020-12-31 212306
2021-03-31 198609
2021-06-30 195711
2021-09-30 192122
2021-12-31 189954
2022-03-31 189734
2022-06-30 183600
2022-09-30 177222
2022-12-31 188367
2023-03-31 187219
2023-06-30 189120
2023-09-30 191327