Quarter	US dollars
2004-12-31	67
2005-03-31	64
2005-06-30	50
2005-09-30	48
2005-12-31	50
2006-03-31	28
2006-06-30	44
2006-09-30	39
2006-12-31	37
2007-03-31	31
2007-06-30	44
2007-09-30	118
2007-12-31	155
2008-03-31	390
2008-06-30	149
2008-09-30	77
2008-12-31	191
2009-03-31	115
2009-06-30	94
2009-09-30	94
2009-12-31	90
2010-03-31	117
2010-06-30	115
2010-09-30	183
2010-12-31	122
2011-03-31	149
2011-06-30	220
2011-09-30	273
2011-12-31	246
2012-03-31	137
2012-06-30	113
2012-09-30	310
2012-12-31	189
2013-03-31	211
2013-06-30	132
2013-09-30	96
2013-12-31	66
2014-03-31	60
2014-06-30	41
2014-09-30	125
2014-12-31	140
2015-03-31	246
2015-06-30	58
2015-09-30	76
2015-12-31	31
2016-03-31	39
2016-06-30	48
2016-09-30	36
2016-12-31	37
2017-03-31	21
2017-06-30	23
2017-09-30	74
2017-12-31	26
2018-03-31	60
2018-06-30	11
2018-09-30	31
2018-12-31	40
2019-03-31	25
2019-06-30	18
2019-09-30	38
2019-12-31	52
2020-03-31	123
2020-06-30	43
2020-09-30	40
2020-12-31	265
2021-03-31	155
2021-06-30	37
2021-09-30	38
2021-12-31	55
2022-03-31	79
2022-06-30	149
2022-09-30	109
2022-12-31	92
2023-03-31	48
2023-06-30	75
2023-09-30	128