Quarter	US dollars
2004-12-31	42
2005-03-31	21
2005-06-30	39
2005-09-30	51
2005-12-31	54
2006-03-31	88
2006-06-30	87
2006-09-30	73
2006-12-31	67
2007-03-31	20
2007-06-30	18
2007-09-30	96
2007-12-31	56
2008-03-31	60
2008-06-30	171
2008-09-30	182
2008-12-31	589
2009-03-31	615
2009-06-30	379
2009-09-30	331
2009-12-31	326
2010-03-31	461
2010-06-30	214
2010-09-30	236
2010-12-31	280
2011-03-31	232
2011-06-30	100
2011-09-30	101
2011-12-31	62
2012-03-31	59
2012-06-30	93
2012-09-30	137
2012-12-31	136
2013-03-31	196
2013-06-30	191
2013-09-30	191
2013-12-31	200
2014-03-31	150
2014-06-30	106
2014-09-30	118
2014-12-31	108
2015-03-31	95
2015-06-30	126
2015-09-30	70
2015-12-31	43
2016-03-31	92
2016-06-30	34
2016-09-30	64
2016-12-31	79
2017-03-31	73
2017-06-30	73
2017-09-30	59
2017-12-31	15
2018-03-31	32
2018-06-30	46
2018-09-30	378
2018-12-31	375
2019-03-31	73
2019-06-30	67
2019-09-30	69
2019-12-31	66
2020-03-31	47
2020-06-30	51
2020-09-30	59
2020-12-31	101
2021-03-31	168
2021-06-30	180
2021-09-30	128
2021-12-31	98
2022-03-31	38
2022-06-30	61
2022-09-30	31
2022-12-31	29
2023-03-31	125
2023-06-30	151
2023-09-30	138