Quarter	US dollars
2004-12-31	179
2005-03-31	250
2005-06-30	308
2005-09-30	225
2005-12-31	129
2006-03-31	118
2006-06-30	115
2006-09-30	93
2006-12-31	29
2007-03-31	165
2007-06-30	140
2007-09-30	118
2007-12-31	98
2008-03-31	83
2008-06-30	90
2008-09-30	80
2008-12-31	66
2009-03-31	66
2009-06-30	82
2009-09-30	86
2009-12-31	119
2010-03-31	62
2010-06-30	129
2010-09-30	74
2010-12-31	49
2011-03-31	67
2011-06-30	35
2011-09-30	14
2011-12-31	60
2012-03-31	67
2012-06-30	72
2012-09-30	136
2012-12-31	78
2013-03-31	82
2013-06-30	73
2013-09-30	31
2013-12-31	28
2014-03-31	75
2014-06-30	80
2014-09-30	39
2014-12-31	3
2015-03-31	1
2015-06-30	60
2015-09-30	98
2015-12-31	37
2016-03-31	42
2016-06-30	5
2016-09-30	4
2016-12-31	27
2017-03-31	16
2017-06-30	1
2017-09-30	11
2017-12-31	3
2018-03-31	163
2018-06-30	124
2018-09-30	138
2018-12-31	225
2019-03-31	225
2019-06-30	256
2019-09-30	381
2019-12-31	288
2020-03-31	505
2020-06-30	323
2020-09-30	300
2020-12-31	199
2021-03-31	411
2021-06-30	413
2021-09-30	549
2021-12-31	536
2022-03-31	558
2022-06-30	503
2022-09-30	405
2022-12-31	359
2023-03-31	383
2023-06-30	411
2023-09-30	410