Quarterly US dollars
1999-03-31 592979
1999-06-30 550304
1999-09-30 613575
1999-12-31 619274
2000-03-31 641419
2000-06-30 645747
2000-09-30 624748
2000-12-31 695065
2001-03-31 745437
2001-06-30 684547
2001-09-30 752423
2001-12-31 721329
2002-03-31 715345
2002-06-30 802171
2002-09-30 840485
2002-12-31 945758
2003-03-31 1034373
2003-06-30 1135965
2003-09-30 1080866
2003-12-31 1165557
2004-03-31 1267486
2004-06-30 1267490
2004-09-30 1278639
2004-12-31 1411546
2005-03-31 1512054
2005-06-30 1470273
2005-09-30 1518063
2005-12-31 1447649
2006-03-31 1610634
2006-06-30 1701405
2006-09-30 1707812
2006-12-31 1748601
2007-03-31 2097256
2007-06-30 2132820
2007-09-30 2225112
2007-12-31 2432872
2008-03-31 2581447
2008-06-30 2292147
2008-09-30 2094250
2008-12-31 1932633
2009-03-31 1775026
2009-06-30 1736122
2009-09-30 1746692
2009-12-31 1722052
2010-03-31 1628878
2010-06-30 1521520
2010-09-30 1626658
2010-12-31 1515853
2011-03-31 1612731
2011-06-30 1624327
2011-09-30 1616108
2011-12-31 1530176
2012-03-31 1606571
2012-06-30 1509020
2012-09-30 1513335
2012-12-31 1534231
2013-03-31 1433535
2013-06-30 1385469
2013-09-30 1361050
2013-12-31 1354723
2014-03-31 1413861
2014-06-30 1444164
2014-09-30 1303864
2014-12-31 1246324
2015-03-31 1200807
2015-06-30 1142793
2015-09-30 1105390
2015-12-31 1037680
2016-03-31 1020322
2016-06-30 1025058
2016-09-30 981992
2016-12-31 899878
2017-03-31 945969
2017-06-30 1019534
2017-09-30 1021326
2017-12-31 980900
2018-03-31 1033862
2018-06-30 999685
2018-09-30 984338
2018-12-31 963322
2019-03-31 1003497
2019-06-30 1016211
2019-09-30 996481
2019-12-31 934432
2020-03-31 1008466
2020-06-30 967092
2020-09-30 1048945
2020-12-31 1092296
2021-03-31 1103236
2021-06-30 1068746
2021-09-30 1046659
2021-12-31 1031599
2022-03-31 1030148
2022-06-30 939423
2022-09-30 874897
2022-12-31 918546
2023-03-31 971345
2023-06-30 962421
2023-09-30 966560