Quarter	US dollars
2004-12-31	192
2005-03-31	195
2005-06-30	206
2005-09-30	210
2005-12-31	209
2006-03-31	208
2006-06-30	205
2006-09-30	198
2006-12-31	194
2007-03-31	186
2007-06-30	185
2007-09-30	179
2007-12-31	175
2008-03-31	827
2008-06-30	165
2008-09-30	164
2008-12-31	0
2009-03-31	0
2009-06-30	0
2009-09-30	0
2009-12-31	0
2010-03-31	0
2010-06-30	0
2010-09-30	0
2010-12-31	0
2011-03-31	0
2011-06-30	0
2011-09-30	0
2011-12-31	6
2012-03-31	0
2012-06-30	0
2012-09-30	13
2012-12-31	5
2013-03-31	5
2013-06-30	0
2013-09-30	0
2013-12-31	51
2014-03-31	-3
2014-06-30	0
2014-09-30	24
2014-12-31	55
2015-03-31	-10
2015-06-30	215
2015-09-30	224
2015-12-31	234
2016-03-31	201
2016-06-30	187
2016-09-30	178
2016-12-31	182
2017-03-31	184
2017-06-30	201
2017-09-30	247
2017-12-31	304
2018-03-31	316
2018-06-30	450
2018-09-30	235
2018-12-31	100
2019-03-31	83
2019-06-30	95
2019-09-30	106
2019-12-31	100
2020-03-31	97
2020-06-30	87
2020-09-30	100
2020-12-31	109
2021-03-31	110
2021-06-30	108
2021-09-30	94
2021-12-31	89
2022-03-31	72
2022-06-30	52
2022-09-30	11
2022-12-31	12
2023-03-31	6
2023-06-30	5
2023-09-30	5