Quarter	US dollars
2004-12-31	136
2005-03-31	233
2005-06-30	73
2005-09-30	82
2005-12-31	53
2006-03-31	22
2006-06-30	39
2006-09-30	54
2006-12-31	37
2007-03-31	35
2007-06-30	28
2007-09-30	24
2007-12-31	0
2008-03-31	30
2008-06-30	30
2008-09-30	70
2008-12-31	145
2009-03-31	116
2009-06-30	76
2009-09-30	62
2009-12-31	69
2010-03-31	73
2010-06-30	332
2010-09-30	46
2010-12-31	412
2011-03-31	8
2011-06-30	29
2011-09-30	67
2011-12-31	73
2012-03-31	16
2012-06-30	75
2012-09-30	53
2012-12-31	8
2013-03-31	23
2013-06-30	106
2013-09-30	34
2013-12-31	243
2014-03-31	198
2014-06-30	198
2014-09-30	135
2014-12-31	123
2015-03-31	123
2015-06-30	98
2015-09-30	74
2015-12-31	73
2016-03-31	124
2016-06-30	126
2016-09-30	116
2016-12-31	133
2017-03-31	99
2017-06-30	104
2017-09-30	51
2017-12-31	51
2018-03-31	60
2018-06-30	74
2018-09-30	74
2018-12-31	28
2019-03-31	25
2019-06-30	59
2019-09-30	62