Quarterly US dollars
1999-03-31 283526
1999-06-30 292132
1999-09-30 305857
1999-12-31 316445
2000-03-31 332419
2000-06-30 334915
2000-09-30 333532
2000-12-31 349228
2001-03-31 391829
2001-06-30 374567
2001-09-30 411473
2001-12-31 440333
2002-03-31 481887
2002-06-30 501896
2002-09-30 540940
2002-12-31 584550
2003-03-31 629399
2003-06-30 664683
2003-09-30 681129
2003-12-31 699231
2004-03-31 816977
2004-06-30 787808
2004-09-30 894478
2004-12-31 875803
2005-03-31 986016
2005-06-30 898338
2005-09-30 1023378
2005-12-31 944941
2006-03-31 1102669
2006-06-30 1098593
2006-09-30 1191051
2006-12-31 1208279
2007-03-31 1426519
2007-06-30 1447704
2007-09-30 1774330
2007-12-31 1751873
2008-03-31 2051727
2008-06-30 1831447
2008-09-30 2039638
2008-12-31 1538840
2009-03-31 1450428
2009-06-30 1495893
2009-09-30 1494362
2009-12-31 1490771
2010-03-31 1552352
2010-06-30 1584251
2010-09-30 1674952
2010-12-31 1660997
2011-03-31 1810074
2011-06-30 1769611
2011-09-30 1731374
2011-12-31 1658745
2012-03-31 1779299
2012-06-30 1727635
2012-09-30 1790324
2012-12-31 1776922
2013-03-31 1720674
2013-06-30 1725817
2013-09-30 1591870
2013-12-31 1524879
2014-03-31 1521630
2014-06-30 1501347
2014-09-30 1449938
2014-12-31 1328496
2015-03-31 1283096
2015-06-30 1239419
2015-09-30 1194248
2015-12-31 1134100
2016-03-31 1174383
2016-06-30 1168862
2016-09-30 1121511
2016-12-31 1032493
2017-03-31 1100319
2017-06-30 1116801
2017-09-30 1185732
2017-12-31 1268149
2018-03-31 1325772
2018-06-30 1189841
2018-09-30 1173488
2018-12-31 1159286
2019-03-31 1193061
2019-06-30 1185314
2019-09-30 1222068
2019-12-31 1224491
2020-03-31 1382093
2020-06-30 1240777
2020-09-30 1315263
2020-12-31 1436070
2021-03-31 1401238
2021-06-30 1410517
2021-09-30 1391735
2021-12-31 1439153
2022-03-31 1490116
2022-06-30 1489390
2022-09-30 1416661
2022-12-31 1418634
2023-03-31 1502817
2023-06-30 1599617
2023-09-30 1554239