Quarter	US dollars
2004-12-31	230
2005-03-31	2822
2005-06-30	5422
2005-09-30	5211
2005-12-31	8371
2006-03-31	6414
2006-06-30	8722
2006-09-30	8454
2006-12-31	9077
2007-03-31	11880
2007-06-30	11344
2007-09-30	13121
2007-12-31	18366
2008-03-31	6189
2008-06-30	549
2008-09-30	6018
2008-12-31	299
2009-03-31	6149
2009-06-30	6276
2009-09-30	5415
2009-12-31	1084
2010-03-31	6114
2010-06-30	672
2010-09-30	603
2010-12-31	5893
2011-03-31	6362
2011-06-30	6265
2011-09-30	9637
2011-12-31	6970
2012-03-31	9181
2012-06-30	7019
2012-09-30	6783
2012-12-31	15115
2013-03-31	1617
2013-06-30	10901
2013-09-30	13854
2013-12-31	14685
2014-03-31	7478
2014-06-30	6529
2014-09-30	7821
2014-12-31	7625
2015-03-31	356
2015-06-30	346
2015-09-30	24
2015-12-31	13
2016-03-31	105
2016-06-30	99
2016-09-30	81
2016-12-31	71
2017-03-31	80
2017-06-30	44
2017-09-30	35
2017-12-31	34
2018-03-31	34
2018-06-30	33
2018-09-30	33
2018-12-31	32
2019-03-31	30
2019-06-30	33
2019-09-30	33
2019-12-31	9
2020-03-31	1
2020-06-30	6
2020-09-30	4
2020-12-31	5
2021-03-31	30
2021-06-30	21
2021-09-30	11
2021-12-31	12
2022-03-31	11
2022-06-30	-73
2022-09-30	12
2022-12-31	22
2023-03-31	3
2023-06-30	0
2023-09-30	3