Quarter	US dollars
2004-12-31	75
2005-03-31	108
2005-06-30	77
2005-09-30	99
2005-12-31	62
2006-03-31	167
2006-06-30	39
2006-09-30	106
2006-12-31	129
2007-03-31	118
2007-06-30	118
2007-09-30	139
2007-12-31	147
2008-03-31	193
2008-06-30	161
2008-09-30	157
2008-12-31	128
2009-03-31	92
2009-06-30	41
2009-09-30	42
2009-12-31	42
2010-03-31	68
2010-06-30	55
2010-09-30	63
2010-12-31	130
2011-03-31	98
2011-06-30	183
2011-09-30	210
2011-12-31	370
2012-03-31	529
2012-06-30	188
2012-09-30	66
2012-12-31	223
2013-03-31	229
2013-06-30	268
2013-09-30	304
2013-12-31	385
2014-03-31	305
2014-06-30	313
2014-09-30	310
2014-12-31	279
2015-03-31	285
2015-06-30	182
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	0
2019-09-30	0