Quarter	US dollars
2004-12-31	38
2005-03-31	38
2005-06-30	25
2005-09-30	44
2005-12-31	42
2006-03-31	68
2006-06-30	70
2006-09-30	86
2006-12-31	108
2007-03-31	88
2007-06-30	108
2007-09-30	51
2007-12-31	46
2008-03-31	70
2008-06-30	111
2008-09-30	135
2008-12-31	121
2009-03-31	179
2009-06-30	119
2009-09-30	91
2009-12-31	142
2010-03-31	100
2010-06-30	130
2010-09-30	129
2010-12-31	144
2011-03-31	136
2011-06-30	127
2011-09-30	107
2011-12-31	131
2012-03-31	121
2012-06-30	124
2012-09-30	129
2012-12-31	254
2013-03-31	249
2013-06-30	390
2013-09-30	369
2013-12-31	326
2014-03-31	68
2014-06-30	133
2014-09-30	151
2014-12-31	189
2015-03-31	189
2015-06-30	176
2015-09-30	123
2015-12-31	132
2016-03-31	263
2016-06-30	204
2016-09-30	256
2016-12-31	235
2017-03-31	215
2017-06-30	94
2017-09-30	133
2017-12-31	82
2018-03-31	95
2018-06-30	123
2018-09-30	93
2018-12-31	116
2019-03-31	109
2019-06-30	76
2019-09-30	42
2019-12-31	75
2020-03-31	113
2020-06-30	175
2020-09-30	121
2020-12-31	154
2021-03-31	103
2021-06-30	28
2021-09-30	28
2021-12-31	43
2022-03-31	28
2022-06-30	54
2022-09-30	86
2022-12-31	88
2023-03-31	74
2023-06-30	151
2023-09-30	109