Quarter	US dollars
2004-12-31	593
2005-03-31	518
2005-06-30	407
2005-09-30	501
2005-12-31	520
2006-03-31	579
2006-06-30	973
2006-09-30	880
2006-12-31	1192
2007-03-31	1300
2007-06-30	931
2007-09-30	1638
2007-12-31	874
2008-03-31	1119
2008-06-30	1636
2008-09-30	987
2008-12-31	1553
2009-03-31	1046
2009-06-30	1617
2009-09-30	904
2009-12-31	1066
2010-03-31	1401
2010-06-30	2364
2010-09-30	3392
2010-12-31	2018
2011-03-31	1502
2011-06-30	1903
2011-09-30	1665
2011-12-31	2480
2012-03-31	2747
2012-06-30	2717
2012-09-30	1145
2012-12-31	1989
2013-03-31	797
2013-06-30	1386
2013-09-30	727
2013-12-31	861
2014-03-31	859
2014-06-30	978
2014-09-30	1000
2014-12-31	2088
2015-03-31	1130
2015-06-30	714
2015-09-30	715
2015-12-31	980
2016-03-31	1134
2016-06-30	803
2016-09-30	650
2016-12-31	1031
2017-03-31	1576
2017-06-30	818
2017-09-30	730
2017-12-31	916
2018-03-31	537
2018-06-30	842
2018-09-30	796
2018-12-31	513
2019-03-31	968
2019-06-30	1158
2019-09-30	1210
2019-12-31	954
2020-03-31	1212
2020-06-30	508
2020-09-30	361
2020-12-31	302
2021-03-31	164
2021-06-30	196
2021-09-30	216
2021-12-31	232
2022-03-31	261
2022-06-30	253
2022-09-30	426
2022-12-31	300
2023-03-31	275
2023-06-30	363
2023-09-30	358