Quarter	US dollars
2004-12-31	25
2005-03-31	28
2005-06-30	22
2005-09-30	25
2005-12-31	3
2006-03-31	0
2006-06-30	61
2006-09-30	80
2006-12-31	94
2007-03-31	2
2007-06-30	6
2007-09-30	26
2007-12-31	26
2008-03-31	34
2008-06-30	22
2008-09-30	2
2008-12-31	1
2009-03-31	1
2009-06-30	5
2009-09-30	5
2009-12-31	8
2010-03-31	144
2010-06-30	148
2010-09-30	170
2010-12-31	164
2011-03-31	164
2011-06-30	14
2011-09-30	16
2011-12-31	23
2012-03-31	38
2012-06-30	20
2012-09-30	79
2012-12-31	24
2013-03-31	26
2013-06-30	27
2013-09-30	62
2013-12-31	35
2014-03-31	38
2014-06-30	39
2014-09-30	42
2014-12-31	50
2015-03-31	50
2015-06-30	55
2015-09-30	56
2015-12-31	61
2016-03-31	63
2016-06-30	68
2016-09-30	73
2016-12-31	78
2017-03-31	83
2017-06-30	86
2017-09-30	91
2017-12-31	97
2018-03-31	101
2018-06-30	111
2018-09-30	108
2018-12-31	109
2019-03-31	124
2019-06-30	20
2019-09-30	12
2019-12-31	13
2020-03-31	14
2020-06-30	2
2020-09-30	10
2020-12-31	1
2021-03-31	1
2021-06-30	1
2021-09-30	-1
2021-12-31	0
2022-03-31	11
2022-06-30	24
2022-09-30	47
2022-12-31	0
2023-03-31	35
2023-06-30	59
2023-09-30	54