Quarter	US dollars
2004-12-31	48
2005-03-31	53
2005-06-30	100
2005-09-30	113
2005-12-31	10
2006-03-31	139
2006-06-30	118
2006-09-30	144
2006-12-31	172
2007-03-31	184
2007-06-30	185
2007-09-30	202
2007-12-31	179
2008-03-31	382
2008-06-30	151
2008-09-30	196
2008-12-31	1048
2009-03-31	162
2009-06-30	176
2009-09-30	157
2009-12-31	205
2010-03-31	123
2010-06-30	94
2010-09-30	608
2010-12-31	443
2011-03-31	224
2011-06-30	300
2011-09-30	221
2011-12-31	107
2012-03-31	91
2012-06-30	143
2012-09-30	254
2012-12-31	286
2013-03-31	-30
2013-06-30	-32
2013-09-30	52
2013-12-31	112
2014-03-31	135
2014-06-30	36
2014-09-30	115
2014-12-31	108
2015-03-31	138
2015-06-30	-50
2015-09-30	-9
2015-12-31	-19
2016-03-31	37
2016-06-30	-5
2016-09-30	-13
2016-12-31	15
2017-03-31	-38
2017-06-30	-32
2017-09-30	-76
2017-12-31	-74
2018-03-31	-1
2018-06-30	-1
2018-09-30	63
2018-12-31	45
2019-03-31	106
2019-06-30	85
2019-09-30	113
2019-12-31	251
2020-03-31	248
2020-06-30	246
2020-09-30	39
2020-12-31	45
2021-03-31	22
2021-06-30	64
2021-09-30	57
2021-12-31	128
2022-03-31	72
2022-06-30	58
2022-09-30	37
2022-12-31	6
2023-03-31	6
2023-06-30	29
2023-09-30	0