Quarter	US dollars
2004-12-31	622
2005-03-31	578
2005-06-30	798
2005-09-30	812
2005-12-31	609
2006-03-31	4040
2006-06-30	4009
2006-09-30	3976
2006-12-31	706
2007-03-31	592
2007-06-30	708
2007-09-30	721
2007-12-31	2284
2008-03-31	2109
2008-06-30	2378
2008-09-30	2422
2008-12-31	2087
2009-03-31	2167
2009-06-30	2345
2009-09-30	4136
2009-12-31	16109
2010-03-31	15108
2010-06-30	13458
2010-09-30	15832
2010-12-31	13919
2011-03-31	15009
2011-06-30	14035
2011-09-30	12946
2011-12-31	10096
2012-03-31	9528
2012-06-30	11358
2012-09-30	9730
2012-12-31	1830
2013-03-31	2863
2013-06-30	3035
2013-09-30	3409
2013-12-31	3929
2014-03-31	2534
2014-06-30	923
2014-09-30	1078
2014-12-31	852
2015-03-31	1094
2015-06-30	1870
2015-09-30	2069
2015-12-31	2389
2016-03-31	1730
2016-06-30	1528
2016-09-30	1271
2016-12-31	1854
2017-03-31	1775
2017-06-30	1763
2017-09-30	1232
2017-12-31	2025
2018-03-31	1270
2018-06-30	1348
2018-09-30	1240
2018-12-31	1528
2019-03-31	1861
2019-06-30	1526
2019-09-30	1724
2019-12-31	1341
2020-03-31	1543
2020-06-30	2055
2020-09-30	712
2020-12-31	744
2021-03-31	720
2021-06-30	819
2021-09-30	777
2021-12-31	838
2022-03-31	853
2022-06-30	757
2022-09-30	451
2022-12-31	720
2023-03-31	752
2023-06-30	652
2023-09-30	610