Quarter	US dollars
2004-12-31	83
2005-03-31	76
2005-06-30	14
2005-09-30	14
2005-12-31	14
2006-03-31	3
2006-06-30	102
2006-09-30	64
2006-12-31	67
2007-03-31	76
2007-06-30	64
2007-09-30	69
2007-12-31	74
2008-03-31	80
2008-06-30	60
2008-09-30	39
2008-12-31	45
2009-03-31	115
2009-06-30	143
2009-09-30	232
2009-12-31	189
2010-03-31	162
2010-06-30	52
2010-09-30	154
2010-12-31	135
2011-03-31	164
2011-06-30	254
2011-09-30	243
2011-12-31	458
2012-03-31	395
2012-06-30	143
2012-09-30	181
2012-12-31	200
2013-03-31	176
2013-06-30	217
2013-09-30	518
2013-12-31	421
2014-03-31	445
2014-06-30	356
2014-09-30	426
2014-12-31	464
2015-03-31	457
2015-06-30	612
2015-09-30	745
2015-12-31	551
2016-03-31	485
2016-06-30	114
2016-09-30	101
2016-12-31	203
2017-03-31	254
2017-06-30	242
2017-09-30	177
2017-12-31	172
2018-03-31	84
2018-06-30	112
2018-09-30	107
2018-12-31	57
2019-03-31	82
2019-06-30	85
2019-09-30	123
2019-12-31	139
2020-03-31	197
2020-06-30	225
2020-09-30	177
2020-12-31	161
2021-03-31	99
2021-06-30	59
2021-09-30	1
2021-12-31	26
2022-03-31	5
2022-06-30	186
2022-09-30	99
2022-12-31	100
2023-03-31	170
2023-06-30	111
2023-09-30	208