Quarter	US dollars
2004-12-31	1115
2005-03-31	792
2005-06-30	678
2005-09-30	1095
2005-12-31	891
2006-03-31	886
2006-06-30	978
2006-09-30	1057
2006-12-31	1049
2007-03-31	1161
2007-06-30	1294
2007-09-30	980
2007-12-31	1115
2008-03-31	2355
2008-06-30	3073
2008-09-30	2723
2008-12-31	2605
2009-03-31	2234
2009-06-30	2292
2009-09-30	2560
2009-12-31	2815
2010-03-31	4021
2010-06-30	3320
2010-09-30	1549
2010-12-31	1526
2011-03-31	1638
2011-06-30	1061
2011-09-30	930
2011-12-31	1039
2012-03-31	540
2012-06-30	1420
2012-09-30	454
2012-12-31	674
2013-03-31	707
2013-06-30	783
2013-09-30	725
2013-12-31	954
2014-03-31	1002
2014-06-30	1065
2014-09-30	1041
2014-12-31	1018
2015-03-31	744
2015-06-30	665
2015-09-30	497
2015-12-31	689
2016-03-31	634
2016-06-30	675
2016-09-30	651
2016-12-31	637
2017-03-31	809
2017-06-30	659
2017-09-30	888
2017-12-31	493
2018-03-31	690
2018-06-30	893
2018-09-30	763
2018-12-31	1564
2019-03-31	2164
2019-06-30	1520
2019-09-30	1764
2019-12-31	1439
2020-03-31	1465
2020-06-30	1541
2020-09-30	1700
2020-12-31	2031
2021-03-31	1454
2021-06-30	1535
2021-09-30	1553
2021-12-31	1228
2022-03-31	928
2022-06-30	1415
2022-09-30	1390
2022-12-31	880
2023-03-31	1495
2023-06-30	1738
2023-09-30	1934