Quarter	US dollars
2004-12-31	10339
2005-03-31	7826
2005-06-30	7557
2005-09-30	4495
2005-12-31	4987
2006-03-31	6381
2006-06-30	6865
2006-09-30	5642
2006-12-31	5771
2007-03-31	6029
2007-06-30	5646
2007-09-30	5788
2007-12-31	6795
2008-03-31	7884
2008-06-30	5304
2008-09-30	6072
2008-12-31	2815
2009-03-31	2816
2009-06-30	3218
2009-09-30	2842
2009-12-31	2288
2010-03-31	3311
2010-06-30	2446
2010-09-30	2453
2010-12-31	2802
2011-03-31	2416
2011-06-30	1893
2011-09-30	1905
2011-12-31	2154
2012-03-31	1163
2012-06-30	1280
2012-09-30	1090
2012-12-31	1546
2013-03-31	786
2013-06-30	2995
2013-09-30	2499
2013-12-31	3243
2014-03-31	4942
2014-06-30	3849
2014-09-30	2339
2014-12-31	3587
2015-03-31	1881
2015-06-30	2863
2015-09-30	2263
2015-12-31	1852
2016-03-31	1632
2016-06-30	1009
2016-09-30	998
2016-12-31	2468
2017-03-31	1111
2017-06-30	1128
2017-09-30	690
2017-12-31	1397
2018-03-31	1137
2018-06-30	549
2018-09-30	591
2018-12-31	1660
2019-03-31	1401
2019-06-30	799
2019-09-30	1186
2019-12-31	851
2020-03-31	1354
2020-06-30	1424
2020-09-30	689
2020-12-31	2174
2021-03-31	1138
2021-06-30	1705
2021-09-30	3049
2021-12-31	2745
2022-03-31	2385
2022-06-30	3713
2022-09-30	3810
2022-12-31	2476
2023-03-31	2176
2023-06-30	2132
2023-09-30	2199