Quarter	US dollars
2004-12-31	127
2005-03-31	293
2005-06-30	115
2005-09-30	80
2005-12-31	94
2006-03-31	153
2006-06-30	202
2006-09-30	316
2006-12-31	726
2007-03-31	779
2007-06-30	463
2007-09-30	674
2007-12-31	908
2008-03-31	648
2008-06-30	939
2008-09-30	724
2008-12-31	848
2009-03-31	1230
2009-06-30	1863
2009-09-30	1670
2009-12-31	970
2010-03-31	1746
2010-06-30	1804
2010-09-30	2154
2010-12-31	2494
2011-03-31	1340
2011-06-30	1355
2011-09-30	1091
2011-12-31	1118
2012-03-31	1037
2012-06-30	1085
2012-09-30	788
2012-12-31	757
2013-03-31	545
2013-06-30	529
2013-09-30	491
2013-12-31	724
2014-03-31	1422
2014-06-30	1157
2014-09-30	790
2014-12-31	784
2015-03-31	820
2015-06-30	801
2015-09-30	824
2015-12-31	707
2016-03-31	902
2016-06-30	755
2016-09-30	764
2016-12-31	760
2017-03-31	764
2017-06-30	709
2017-09-30	690
2017-12-31	747
2018-03-31	770
2018-06-30	988
2018-09-30	1016
2018-12-31	987
2019-03-31	984
2019-06-30	1028
2019-09-30	989
2019-12-31	1131
2020-03-31	1029
2020-06-30	1096
2020-09-30	1065
2020-12-31	1046
2021-03-31	1082
2021-06-30	1248
2021-09-30	649
2021-12-31	620
2022-03-31	891
2022-06-30	698
2022-09-30	914
2022-12-31	700
2023-03-31	777
2023-06-30	810
2023-09-30	786