Quarter	US dollars
2004-12-31	15
2005-03-31	13
2005-06-30	18
2005-09-30	14
2005-12-31	24
2006-03-31	19
2006-06-30	55
2006-09-30	58
2006-12-31	63
2007-06-30	94
2007-09-30	104
2007-12-31	133
2008-03-31	674
2008-06-30	127
2008-09-30	130
2008-12-31	75
2009-03-31	49
2009-06-30	59
2009-09-30	45
2009-12-31	50
2010-03-31	59
2010-06-30	127
2010-09-30	142
2010-12-31	150
2011-03-31	146
2011-06-30	157
2011-09-30	162
2011-12-31	159
2012-03-31	153
2012-06-30	151
2012-09-30	110
2012-12-31	107
2013-03-31	161
2013-06-30	120
2013-09-30	134
2013-12-31	66
2014-03-31	143
2014-06-30	130
2014-09-30	110
2014-12-31	100
2015-03-31	98
2015-06-30	71
2015-09-30	73
2015-12-31	73
2016-03-31	53
2016-06-30	93
2016-09-30	58
2016-12-31	54
2017-03-31	56
2017-06-30	38
2017-09-30	101
2017-12-31	59
2018-03-31	69
2018-06-30	88
2018-09-30	97
2018-12-31	83
2019-03-31	82
2019-06-30	120
2019-09-30	126
2019-12-31	139
2020-03-31	131
2020-06-30	131
2020-09-30	115
2020-12-31	130
2021-03-31	127
2021-06-30	131
2021-09-30	128
2021-12-31	115
2022-03-31	116
2022-06-30	103
2022-09-30	101
2022-12-31	100
2023-03-31	132
2023-06-30	105
2023-09-30	123