Quarter	US dollars
2004-12-31	294
2005-03-31	208
2005-06-30	403
2005-09-30	8653
2005-12-31	8130
2006-03-31	8839
2006-06-30	9005
2006-09-30	9419
2006-12-31	9985
2007-03-31	10793
2007-06-30	11665
2007-09-30	12147
2007-12-31	15326
2008-03-31	14189
2008-06-30	15123
2008-09-30	12947
2008-12-31	10207
2009-03-31	9795
2009-06-30	11203
2009-09-30	11803
2009-12-31	11958
2010-03-31	13327
2010-06-30	14657
2010-09-30	16971
2010-12-31	18218
2011-03-31	19156
2011-06-30	17278
2011-09-30	16057
2011-12-31	15789
2012-03-31	15505
2012-06-30	13882
2012-09-30	13940
2012-12-31	11922
2013-03-31	11967
2013-06-30	11823
2013-09-30	12199
2013-12-31	10844
2014-03-31	12038
2014-06-30	12135
2014-09-30	10684
2014-12-31	10072
2015-03-31	8908
2015-06-30	10192
2015-09-30	7495
2015-12-31	6891
2016-03-31	7477
2016-06-30	7646
2016-09-30	1897
2016-12-31	1562
2017-03-31	1248
2017-06-30	1325
2017-09-30	1332
2017-12-31	1008
2018-03-31	866
2018-06-30	710
2018-09-30	662
2018-12-31	792
2019-03-31	616
2019-06-30	659
2019-09-30	808
2019-12-31	935
2020-03-31	341
2020-06-30	211
2020-09-30	739
2020-12-31	834
2021-03-31	717
2021-06-30	1472
2021-09-30	1284
2021-12-31	1248
2022-03-31	1332
2022-06-30	1379
2022-09-30	1035
2022-12-31	1166
2023-03-31	997
2023-06-30	802
2023-09-30	961