Quarterly US dollars
1999-03-31 19237
1999-06-30 19140
1999-09-30 18433
1999-12-31 15766
2000-03-31 19198
2000-06-30 16582
2000-09-30 15539
2000-12-31 12929
2001-03-31 13237
2001-06-30 15177
2001-09-30 13146
2001-12-31 10295
2002-03-31 15044
2002-06-30 15041
2002-09-30 18302
2002-12-31 15720
2003-03-31 21214
2003-06-30 20074
2003-09-30 24199
2003-12-31 26147
2004-03-31 34888
2004-06-30 34990
2004-09-30 41911
2004-12-31 40945
2005-03-31 50661
2005-06-30 38514
2005-09-30 53024
2005-12-31 37324
2006-03-31 51398
2006-06-30 49386
2006-09-30 59552
2006-12-31 42485
2007-03-31 64660
2007-06-30 69310
2007-09-30 64728
2007-12-31 62764
2008-03-31 87079
2008-06-30 66107
2008-09-30 54634
2008-12-31 38635
2009-03-31 36451
2009-06-30 40976
2009-09-30 44642
2009-12-31 51900
2010-03-31 62017
2010-06-30 65330
2010-09-30 64927
2010-12-31 67522
2011-03-31 84170
2011-06-30 90621
2011-09-30 88494
2011-12-31 79218
2012-03-31 77444
2012-06-30 72973
2012-09-30 72804
2012-12-31 76293
2013-03-31 97598
2013-06-30 108452
2013-09-30 101100
2013-12-31 104864
2014-03-31 119089
2014-06-30 116631
2014-09-30 103774
2014-12-31 89340
2015-03-31 91992
2015-06-30 89430
2015-09-30 77782
2015-12-31 69327
2016-03-31 64858
2016-06-30 63613
2016-09-30 60545
2016-12-31 65537
2017-03-31 70013
2017-06-30 76309
2017-09-30 86015
2017-12-31 91656
2018-03-31 84422
2018-06-30 80587
2018-09-30 90443
2018-12-31 92496
2019-03-31 97864
2019-06-30 92426
2019-09-30 83323
2019-12-31 86841
2020-03-31 90439
2020-06-30 77084
2020-09-30 74053
2020-12-31 81536
2021-03-31 85141
2021-06-30 81150
2021-09-30 83430
2021-12-31 93616
2022-03-31 88271
2022-06-30 89288
2022-09-30 96303
2022-12-31 91432
2023-03-31 89660
2023-06-30 81873
2023-09-30 90228