Quarter	US dollars
2004-12-31	142
2005-03-31	163
2005-06-30	117
2005-09-30	83
2005-12-31	88
2006-03-31	101
2006-06-30	105
2006-09-30	73
2006-12-31	74
2007-03-31	51
2007-06-30	86
2007-09-30	65
2007-12-31	82
2008-03-31	42
2008-06-30	60
2008-09-30	45
2008-12-31	30
2009-03-31	20
2009-06-30	3
2009-09-30	21
2009-12-31	65
2010-03-31	29
2010-06-30	16
2010-09-30	17
2010-12-31	81
2011-03-31	125
2011-06-30	31
2011-09-30	2
2011-12-31	83
2012-03-31	165
2012-06-30	154
2012-09-30	170
2012-12-31	205
2013-03-31	244
2013-06-30	406
2013-09-30	235
2013-12-31	50
2014-03-31	167
2014-06-30	219
2014-09-30	188
2014-12-31	145
2015-03-31	65
2015-06-30	266
2015-09-30	80
2015-12-31	12
2016-03-31	66
2016-06-30	26
2016-09-30	42
2016-12-31	68
2017-03-31	58
2017-06-30	68
2017-09-30	90
2017-12-31	155
2018-03-31	101
2018-06-30	102
2018-09-30	154
2018-12-31	78
2019-03-31	162
2019-06-30	53
2019-09-30	42
2019-12-31	59
2020-03-31	55
2020-06-30	59
2020-09-30	149
2020-12-31	82
2021-03-31	87
2021-06-30	210
2021-09-30	148
2021-12-31	132
2022-03-31	140
2022-06-30	279
2022-09-30	237
2022-12-31	153
2023-03-31	224
2023-06-30	259
2023-09-30	291