Quarterly US dollars
1999-03-31 1455
1999-06-30 1563
1999-09-30 1683
1999-12-31 1795
2000-03-31 1746
2000-06-30 1861
2000-09-30 1916
2000-12-31 1746
2001-03-31 1637
2001-06-30 1631
2001-09-30 1555
2001-12-31 1511
2002-03-31 1343
2002-06-30 1306
2002-09-30 1423
2002-12-31 1500
2003-03-31 1304
2003-06-30 1345
2003-09-30 1412
2003-12-31 1376
2004-03-31 1510
2004-06-30 1467
2004-09-30 1413
2004-12-31 1571
2005-03-31 1421
2005-06-30 1448
2005-09-30 1444
2005-12-31 1208
2006-03-31 1252
2006-06-30 1449
2006-09-30 1586
2006-12-31 1653
2007-03-31 1619
2007-06-30 2081
2007-09-30 2408
2007-12-31 2420
2008-03-31 2317
2008-06-30 2541
2008-09-30 2291
2008-12-31 2388
2009-03-31 2454
2009-06-30 2567
2009-09-30 2642
2009-12-31 2690
2010-03-31 2954
2010-06-30 3165
2010-09-30 3238
2010-12-31 3475
2011-03-31 3646
2011-06-30 3255
2011-09-30 2804
2011-12-31 2557
2012-03-31 2592
2012-06-30 2346
2012-09-30 2273
2012-12-31 2255
2013-03-31 2478
2013-06-30 2501
2013-09-30 2645
2013-12-31 3173
2014-03-31 2948
2014-06-30 2935
2014-09-30 3050
2014-12-31 2806
2015-03-31 2623
2015-06-30 3048
2015-09-30 3211
2015-12-31 2987
2016-03-31 2548
2016-06-30 2438
2016-09-30 2306
2016-12-31 1887
2017-03-31 1893
2017-06-30 1838
2017-09-30 1794
2017-12-31 1752
2018-03-31 1714
2018-06-30 1720
2018-09-30 1626
2018-12-31 1632
2019-03-31 1661
2019-06-30 1649
2019-09-30 1665
2019-12-31 1760
2020-03-31 1740
2020-06-30 1856
2020-09-30 1917
2020-12-31 2128
2021-03-31 1664
2021-06-30 1847
2021-09-30 1697
2021-12-31 1550
2022-03-31 1416
2022-06-30 1514
2022-09-30 1525
2022-12-31 1511
2023-03-31 1727
2023-06-30 1459
2023-09-30 1426