Quarter	US dollars
2004-12-31	0
2005-03-31	0
2005-06-30	0
2005-09-30	0
2005-12-31	21
2006-03-31	21
2006-06-30	20
2006-09-30	21
2006-12-31	14
2007-03-31	14
2007-06-30	14
2007-09-30	20
2007-12-31	22
2008-03-31	20
2008-06-30	18
2008-09-30	18
2008-12-31	12
2009-03-31	10
2009-06-30	31
2009-09-30	29
2009-12-31	29
2010-03-31	30
2010-06-30	28
2010-09-30	32
2010-12-31	36
2011-03-31	34
2011-06-30	35
2011-09-30	14
2011-12-31	12
2012-03-31	14
2012-06-30	30
2012-09-30	11
2012-12-31	11
2013-03-31	11
2013-06-30	9
2013-09-30	8
2013-12-31	18
2014-03-31	27
2014-06-30	24
2014-09-30	29
2014-12-31	28
2015-03-31	18
2015-06-30	36
2015-09-30	38
2015-12-31	33
2016-03-31	39
2016-06-30	47
2016-09-30	43
2016-12-31	34
2017-03-31	21
2017-06-30	18
2017-09-30	42
2017-12-31	73
2018-03-31	51
2018-06-30	30
2018-09-30	26
2018-12-31	50
2019-03-31	52
2019-06-30	39
2019-09-30	10
2019-12-31	37
2020-03-31	30
2020-06-30	5
2020-09-30	37
2020-12-31	53
2021-03-31	40
2021-06-30	25
2021-09-30	32
2021-12-31	22
2022-03-31	0
2022-06-30	0
2022-09-30	40
2022-12-31	66
2023-03-31	48
2023-06-30	30
2023-09-30	43