Quarter	US dollars
2004-12-31	205
2005-03-31	231
2005-06-30	106
2005-09-30	131
2005-12-31	130
2006-03-31	321
2006-06-30	226
2006-09-30	159
2006-12-31	213
2007-03-31	112
2007-06-30	126
2007-09-30	112
2007-12-31	161
2008-03-31	101
2008-06-30	199
2008-09-30	214
2008-12-31	86
2009-03-31	133
2009-06-30	226
2009-09-30	251
2009-12-31	300
2010-03-31	252
2010-06-30	370
2010-09-30	562
2010-12-31	543
2011-03-31	529
2011-06-30	390
2011-09-30	221
2011-12-31	79
2012-03-31	129
2012-06-30	78
2012-09-30	113
2012-12-31	110
2013-03-31	30
2013-06-30	82
2013-09-30	55
2013-12-31	28
2014-03-31	30
2014-06-30	2
2014-09-30	11
2014-12-31	2
2015-03-31	9
2015-06-30	11
2015-09-30	20
2015-12-31	9
2016-03-31	19
2016-06-30	3
2016-09-30	35
2016-12-31	53
2017-03-31	10
2017-06-30	-4
2017-09-30	51
2017-12-31	61
2018-03-31	73
2018-06-30	51
2018-09-30	1
2018-12-31	1
2019-03-31	4
2019-06-30	3
2019-09-30	2
2019-12-31	1
2020-03-31	4
2020-06-30	4
2020-09-30	4
2020-12-31	4
2021-03-31	4
2021-06-30	4
2021-09-30	5
2021-12-31	26
2022-03-31	76
2022-06-30	73
2022-09-30	69
2022-12-31	71
2023-03-31	72
2023-06-30	72
2023-09-30	69