Quarter	US dollars
2004-12-31	35
2005-03-31	32
2005-06-30	79
2005-09-30	55
2005-12-31	98
2006-03-31	97
2006-06-30	213
2006-09-30	286
2006-12-31	307
2007-03-31	402
2007-06-30	395
2007-09-30	731
2007-12-31	757
2008-03-31	1095
2008-06-30	1194
2008-09-30	2548
2008-12-31	2325
2009-03-31	694
2009-06-30	833
2009-09-30	929
2009-12-31	657
2010-03-31	869
2010-06-30	777
2010-09-30	720
2010-12-31	816
2011-03-31	1109
2011-06-30	1042
2011-09-30	950
2011-12-31	707
2012-03-31	630
2012-06-30	853
2012-09-30	701
2012-12-31	907
2013-03-31	917
2013-06-30	925
2013-09-30	994
2013-12-31	1083
2014-03-31	1029
2014-06-30	1686
2014-09-30	1817
2014-12-31	2148
2015-03-31	1614
2015-06-30	1526
2015-09-30	1413
2015-12-31	1322
2016-03-31	946
2016-06-30	912
2016-09-30	585
2016-12-31	314
2017-03-31	288
2017-06-30	646
2017-09-30	546
2017-12-31	562
2018-03-31	678
2018-06-30	696
2018-09-30	736
2018-12-31	723
2019-03-31	683
2019-06-30	750
2019-09-30	854
2019-12-31	1058
2020-03-31	1132
2020-06-30	898
2020-09-30	633
2020-12-31	509
2021-03-31	567
2021-06-30	645
2021-09-30	824
2021-12-31	858
2022-03-31	832
2022-06-30	923
2022-09-30	944
2022-12-31	932
2023-03-31	933
2023-06-30	827
2023-09-30	569