Quarterly US dollars
1999-03-31 759609
1999-06-30 713361
1999-09-30 777672
1999-12-31 756642
2000-03-31 797850
2000-06-30 800477
2000-09-30 768258
2000-12-31 825970
2001-03-31 883413
2001-06-30 823262
2001-09-30 893485
2001-12-31 860129
2002-03-31 862525
2002-06-30 963616
2002-09-30 1006607
2002-12-31 1126072
2003-03-31 1244808
2003-06-30 1364152
2003-09-30 1317621
2003-12-31 1438659
2004-03-31 1566148
2004-06-30 1554317
2004-09-30 1583467
2004-12-31 1735480
2005-03-31 1852262
2005-06-30 1815907
2005-09-30 1867110
2005-12-31 1771180
2006-03-31 1951840
2006-06-30 2078884
2006-09-30 2085271
2006-12-31 2135121
2007-03-31 2540840
2007-06-30 2608955
2007-09-30 2702015
2007-12-31 2946022
2008-03-31 3164370
2008-06-30 2864298
2008-09-30 2602111
2008-12-31 2408455
2009-03-31 2282079
2009-06-30 2245712
2009-09-30 2227677
2009-12-31 2172629
2010-03-31 2105157
2010-06-30 1974165
2010-09-30 2142566
2010-12-31 2018607
2011-03-31 2135042
2011-06-30 2171250
2011-09-30 2169003
2011-12-31 2041790
2012-03-31 2143632
2012-06-30 2070088
2012-09-30 2071555
2012-12-31 2124509
2013-03-31 2004845
2013-06-30 1945508
2013-09-30 1916119
2013-12-31 1953552
2014-03-31 1968033
2014-06-30 2001342
2014-09-30 1837246
2014-12-31 1768059
2015-03-31 1714759
2015-06-30 1689633
2015-09-30 1640879
2015-12-31 1551044
2016-03-31 1543806
2016-06-30 1536437
2016-09-30 1502594
2016-12-31 1390876
2017-03-31 1426294
2017-06-30 1533534
2017-09-30 1555857
2017-12-31 1521445
2018-03-31 1586563
2018-06-30 1546266
2018-09-30 1540487
2018-12-31 1513310
2019-03-31 1530412
2019-06-30 1569536
2019-09-30 1551454
2019-12-31 1479654
2020-03-31 1570905
2020-06-30 1561655
2020-09-30 1661154
2020-12-31 1694459
2021-03-31 1676369
2021-06-30 1655114
2021-09-30 1618090
2021-12-31 1626667
2022-03-31 1621412
2022-06-30 1503810
2022-09-30 1425401
2022-12-31 1467814
2023-03-31 1488112
2023-06-30 1470996
2023-09-30 1452897