Quarter	US dollars
2004-12-31	84
2005-03-31	85
2005-06-30	77
2005-09-30	71
2005-12-31	67
2006-03-31	80
2006-06-30	107
2006-09-30	80
2006-12-31	159
2007-03-31	165
2007-06-30	171
2007-09-30	104
2007-12-31	147
2008-03-31	221
2008-06-30	579
2008-09-30	269
2008-12-31	367
2009-03-31	391
2009-06-30	240
2009-09-30	208
2009-12-31	208
2010-03-31	150
2010-06-30	151
2010-09-30	129
2010-12-31	142
2011-03-31	147
2011-06-30	136
2011-09-30	142
2011-12-31	199
2012-03-31	187
2012-06-30	205
2012-09-30	174
2012-12-31	162
2013-03-31	179
2013-06-30	173
2013-09-30	185
2013-12-31	149
2014-03-31	150
2014-06-30	149
2014-09-30	138
2014-12-31	109
2015-03-31	113
2015-06-30	109
2015-09-30	6
2015-12-31	6
2016-03-31	6
2016-06-30	5
2016-09-30	6
2016-12-31	5
2017-03-31	5
2017-06-30	5
2017-09-30	4
2017-12-31	4
2018-03-31	8
2018-06-30	8
2018-09-30	7
2018-12-31	6
2019-03-31	7
2019-06-30	6
2019-09-30	6
2019-12-31	7
2020-03-31	6
2020-06-30	6
2020-09-30	6
2020-12-31	7
2021-03-31	6
2021-06-30	6
2021-09-30	5
2021-12-31	5
2022-03-31	8
2022-06-30	9
2022-09-30	8
2022-12-31	9
2023-03-31	8
2023-06-30	7
2023-09-30	11