Quarter	US dollars
2004-12-31	319
2005-03-31	200
2005-06-30	215
2005-09-30	193
2005-12-31	244
2006-03-31	215
2006-06-30	231
2006-09-30	396
2006-12-31	139
2007-03-31	149
2007-06-30	128
2007-09-30	139
2007-12-31	165
2008-03-31	163
2008-06-30	183
2008-09-30	192
2008-12-31	160
2009-03-31	201
2009-06-30	288
2009-09-30	182
2009-12-31	166
2010-03-31	156
2010-06-30	262
2010-09-30	347
2010-12-31	796
2011-03-31	584
2011-06-30	579
2011-09-30	615
2011-12-31	600
2012-03-31	579
2012-06-30	662
2012-09-30	680
2012-12-31	1019
2013-03-31	3536
2013-06-30	2744
2013-09-30	2793
2013-12-31	1737
2014-03-31	1677
2014-06-30	1973
2014-09-30	1825
2014-12-31	1587
2015-03-31	1583
2015-06-30	1581
2015-09-30	1696
2015-12-31	1494
2016-03-31	1482
2016-06-30	1594
2016-09-30	1593
2016-12-31	1527
2017-03-31	1428
2017-06-30	1444
2017-09-30	1495
2017-12-31	1569
2018-03-31	1208
2018-06-30	1139
2018-09-30	1316
2018-12-31	1286
2019-03-31	1369
2019-06-30	1553
2019-09-30	1838
2019-12-31	1925
2020-03-31	1991
2020-06-30	2100
2020-09-30	2099
2020-12-31	1882
2021-03-31	1930
2021-06-30	1686
2021-09-30	1679
2021-12-31	1756
2022-03-31	1793
2022-06-30	1690
2022-09-30	1681
2022-12-31	1698
2023-03-31	1739
2023-06-30	1634
2023-09-30	1567