Quarter	US dollars
2004-12-31	960
2005-03-31	866
2005-06-30	871
2005-09-30	1134
2005-12-31	266
2006-03-31	1039
2006-06-30	1230
2006-09-30	1440
2006-12-31	1239
2007-03-31	1041
2007-06-30	963
2007-09-30	972
2007-12-31	964
2008-03-31	984
2008-06-30	915
2008-09-30	601
2008-12-31	93
2009-03-31	69
2009-06-30	76
2009-09-30	77
2009-12-31	462
2010-03-31	438
2010-06-30	0
2010-09-30	30
2010-12-31	30
2011-03-31	30
2011-06-30	300
2011-09-30	42
2011-12-31	80
2012-03-31	620
2012-06-30	618
2012-09-30	591
2012-12-31	561
2013-03-31	568
2013-06-30	529
2013-09-30	513
2013-12-31	484
2014-03-31	494
2014-06-30	751
2014-09-30	704
2014-12-31	432
2015-03-31	420
2015-06-30	865
2015-09-30	971
2015-12-31	911
2016-03-31	863
2016-06-30	1054
2016-09-30	982
2016-12-31	1015
2017-03-31	909
2017-06-30	1047
2017-09-30	885
2017-12-31	1135
2018-03-31	1490
2018-06-30	1390
2018-09-30	1056
2018-12-31	705
2019-03-31	1114
2019-06-30	715
2019-09-30	702
2019-12-31	700
2020-03-31	672
2020-06-30	567
2020-09-30	611
2020-12-31	590
2021-03-31	517
2021-06-30	460
2021-09-30	453
2021-12-31	369
2022-03-31	351
2022-06-30	318
2022-09-30	303
2022-12-31	296
2023-03-31	286
2023-06-30	252
2023-09-30	238