Quarter	US dollars
2004-12-31	163
2005-03-31	140
2005-06-30	127
2005-09-30	136
2005-12-31	122
2006-03-31	151
2006-06-30	172
2006-09-30	211
2006-12-31	205
2007-03-31	175
2007-06-30	179
2007-09-30	204
2007-12-31	197
2008-03-31	189
2008-06-30	191
2008-09-30	139
2008-12-31	161
2009-03-31	1672
2009-06-30	1663
2009-09-30	1652
2009-12-31	2046
2010-03-31	2046
2010-06-30	2081
2010-09-30	2095
2010-12-31	2060
2011-03-31	2018
2011-06-30	2018
2011-09-30	2078
2011-12-31	2112
2012-03-31	2105
2012-06-30	2113
2012-09-30	2122
2012-12-31	2128
2013-03-31	2122
2013-06-30	2154
2013-09-30	2100
2013-12-31	96
2014-03-31	92
2014-06-30	94
2014-09-30	92
2014-12-31	89
2015-03-31	85
2015-06-30	85
2015-09-30	138
2015-12-31	133
2016-03-31	131
2016-06-30	120
2016-09-30	118
2016-12-31	114
2017-03-31	118
2017-06-30	96
2017-09-30	97
2017-12-31	63
2018-03-31	27
2018-06-30	4
2018-09-30	22
2018-12-31	27
2019-03-31	34
2019-06-30	34
2019-09-30	44
2019-12-31	79
2020-03-31	97
2020-06-30	110
2020-09-30	47
2020-12-31	48
2021-03-31	44
2021-06-30	47
2021-09-30	44
2021-12-31	44
2022-03-31	28
2022-06-30	11
2022-09-30	14
2022-12-31	11
2023-03-31	6
2023-06-30	26
2023-09-30	35