Quarter	US dollars
2004-12-31	326
2005-03-31	206
2005-06-30	215
2005-09-30	200
2005-12-31	244
2006-03-31	225
2006-06-30	233
2006-09-30	417
2006-12-31	160
2007-03-31	180
2007-06-30	144
2007-09-30	159
2007-12-31	221
2008-03-31	211
2008-06-30	245
2008-09-30	242
2008-12-31	196
2009-03-31	232
2009-06-30	328
2009-09-30	211
2009-12-31	200
2010-03-31	187
2010-06-30	293
2010-09-30	348
2010-12-31	811
2011-03-31	575
2011-06-30	571
2011-09-30	617
2011-12-31	605
2012-03-31	582
2012-06-30	667
2012-09-30	683
2012-12-31	1022
2013-03-31	3543
2013-06-30	2747
2013-09-30	2797
2013-12-31	1742
2014-03-31	1681
2014-06-30	1976
2014-09-30	1829
2014-12-31	1590
2015-03-31	1586
2015-06-30	1582
2015-09-30	1696
2015-12-31	1494
2016-03-31	1484
2016-06-30	1597
2016-09-30	1591
2016-12-31	1527
2017-03-31	1428
2017-06-30	1447
2017-09-30	1532
2017-12-31	1618
2018-03-31	1472
2018-06-30	1258
2018-09-30	1397
2018-12-31	1368
2019-03-31	1446
2019-06-30	1628
2019-09-30	1933
2019-12-31	2011
2020-03-31	2066
2020-06-30	2152
2020-09-30	2165
2020-12-31	1944
2021-03-31	1999
2021-06-30	1748
2021-09-30	1742
2021-12-31	1871
2022-03-31	1894
2022-06-30	1789
2022-09-30	1772
2022-12-31	1794
2023-03-31	1838
2023-06-30	1774
2023-09-30	1708