Quarter	US dollars
2004-12-31	1968
2005-03-31	2280
2005-06-30	2538
2005-09-30	1940
2005-12-31	1966
2006-03-31	2114
2006-06-30	2012
2006-09-30	1782
2006-12-31	1863
2007-03-31	2077
2007-06-30	2370
2007-09-30	1897
2007-12-31	2053
2008-03-31	2319
2008-06-30	2303
2008-09-30	3065
2008-12-31	2803
2009-03-31	1885
2009-06-30	2495
2009-09-30	1153
2009-12-31	1263
2010-03-31	3235
2010-06-30	1157
2010-09-30	901
2010-12-31	1094
2011-03-31	955
2011-06-30	1837
2011-09-30	833
2011-12-31	521
2012-03-31	601
2012-06-30	510
2012-09-30	375
2012-12-31	154
2013-03-31	121
2013-06-30	64
2013-09-30	99
2013-12-31	119
2014-03-31	355
2014-06-30	419
2014-09-30	431
2014-12-31	364
2015-03-31	506
2015-06-30	514
2015-09-30	662
2015-12-31	615
2016-03-31	667
2016-06-30	38
2016-09-30	40
2016-12-31	21
2017-03-31	56
2017-06-30	40
2017-09-30	113
2017-12-31	301
2018-03-31	393
2018-06-30	301
2018-09-30	480
2018-12-31	82
2019-03-31	310
2019-06-30	263
2019-09-30	46
2019-12-31	48
2020-03-31	110
2020-06-30	158
2020-09-30	143
2020-12-31	111
2021-03-31	178
2021-06-30	54
2021-09-30	347
2021-12-31	61
2022-03-31	171
2022-06-30	399
2022-09-30	164
2022-12-31	198
2023-03-31	402
2023-06-30	797
2023-09-30	794