Quarter	US dollars
2004-12-31	1870
2005-03-31	1983
2005-06-30	2504
2005-09-30	1629
2005-12-31	1172
2006-03-31	744
2006-06-30	1439
2006-09-30	712
2006-12-31	1131
2007-03-31	794
2007-06-30	1814
2007-09-30	1557
2007-12-31	2045
2008-03-31	3057
2008-06-30	2056
2008-09-30	1030
2008-12-31	825
2009-03-31	800
2009-06-30	823
2009-09-30	779
2009-12-31	1161
2010-03-31	1825
2010-06-30	1999
2010-09-30	2715
2010-12-31	2624
2011-03-31	3655
2011-06-30	6267
2011-09-30	3876
2011-12-31	3740
2012-03-31	4566
2012-06-30	4434
2012-09-30	5080
2012-12-31	6183
2013-03-31	6273
2013-06-30	7028
2013-09-30	7448
2013-12-31	7405
2014-03-31	7563
2014-06-30	7870
2014-09-30	7907
2014-12-31	4895
2015-03-31	2760
2015-06-30	1046
2015-09-30	654
2015-12-31	756
2016-03-31	3360
2016-06-30	3262
2016-09-30	3083
2016-12-31	2212
2017-03-31	1623
2017-06-30	1632
2017-09-30	1829
2017-12-31	1655
2018-03-31	2282
2018-06-30	2140
2018-09-30	1617
2018-12-31	2993
2019-03-31	3139
2019-06-30	2566
2019-09-30	2524
2019-12-31	1876
2020-03-31	2245
2020-06-30	2142
2020-09-30	2291
2020-12-31	2146
2021-03-31	2562
2021-06-30	2984
2021-09-30	2488
2021-12-31	2620
2022-03-31	1901
2022-06-30	1462
2022-09-30	2039
2022-12-31	1415
2023-03-31	1900
2023-06-30	2195
2023-09-30	1883