Quarter	US dollars
2004-12-31	27
2005-03-31	38
2005-06-30	43
2005-09-30	71
2005-12-31	53
2006-03-31	68
2006-06-30	133
2006-09-30	35
2006-12-31	37
2007-03-31	24
2007-06-30	52
2007-09-30	208
2007-12-31	155
2008-03-31	107
2008-06-30	64
2008-09-30	59
2008-12-31	46
2009-03-31	36
2009-06-30	33
2009-09-30	29
2009-12-31	42
2010-03-31	55
2010-06-30	72
2010-09-30	55
2010-12-31	50
2011-03-31	111
2011-06-30	119
2011-09-30	128
2011-12-31	555
2012-03-31	35
2012-06-30	25
2012-09-30	66
2012-12-31	202
2013-03-31	170
2013-06-30	212
2013-09-30	222
2013-12-31	279
2014-03-31	277
2014-06-30	280
2014-09-30	253
2014-12-31	231
2015-03-31	22
2015-06-30	22
2015-09-30	21
2015-12-31	21
2016-03-31	6
2016-06-30	16
2016-09-30	13
2016-12-31	167
2017-03-31	118
2017-06-30	92
2017-09-30	70
2017-12-31	238
2018-03-31	188
2018-06-30	180
2018-09-30	171
2018-12-31	170
2019-03-31	177
2019-06-30	183
2019-09-30	166
2019-12-31	177
2020-03-31	202
2020-06-30	163
2020-09-30	218
2020-12-31	61
2021-03-31	61
2021-06-30	68
2021-09-30	58
2021-12-31	55
2022-03-31	746
2022-06-30	673
2022-09-30	804
2022-12-31	1054
2023-03-31	1101
2023-06-30	1206
2023-09-30	1161