Quarter	US dollars
2004-12-31	895
2005-03-31	718
2005-06-30	746
2005-09-30	653
2005-12-31	282
2006-03-31	305
2006-06-30	292
2006-09-30	609
2006-12-31	231
2007-03-31	659
2007-06-30	791
2007-09-30	1013
2007-12-31	1382
2008-03-31	1290
2008-06-30	1624
2008-09-30	1422
2008-12-31	1446
2009-03-31	1569
2009-06-30	1049
2009-09-30	1718
2009-12-31	2004
2010-03-31	2272
2010-06-30	3396
2010-09-30	3208
2010-12-31	2541
2011-03-31	2573
2011-06-30	2970
2011-09-30	1993
2011-12-31	2525
2012-03-31	3661
2012-06-30	3725
2012-09-30	3120
2012-12-31	3368
2013-03-31	3199
2013-06-30	2832
2013-09-30	3189
2013-12-31	3621
2014-03-31	3215
2014-06-30	2137
2014-09-30	2660
2014-12-31	2057
2015-03-31	1550
2015-06-30	1961
2015-09-30	3108
2015-12-31	1817
2016-03-31	1907
2016-06-30	1405
2016-09-30	1028
2016-12-31	2686
2017-03-31	2877
2017-06-30	3405
2017-09-30	2824
2017-12-31	994
2018-03-31	2574
2018-06-30	2534
2018-09-30	2613
2018-12-31	2758
2019-03-31	2795
2019-06-30	1884
2019-09-30	1894
2019-12-31	1737
2020-03-31	2234
2020-06-30	1795
2020-09-30	2034
2020-12-31	2263
2021-03-31	2301
2021-06-30	2493
2021-09-30	3073
2021-12-31	2767
2022-03-31	2352
2022-06-30	1895
2022-09-30	1714
2022-12-31	1999
2023-03-31	3876
2023-06-30	3353
2023-09-30	3996