Quarter	US dollars
2004-12-31	157
2005-03-31	2641
2005-06-30	81
2005-09-30	90
2005-12-31	2640
2006-03-31	17
2006-06-30	3322
2006-09-30	62
2006-12-31	3618
2007-03-31	4303
2007-06-30	4862
2007-09-30	5197
2007-12-31	4900
2008-03-31	40
2008-06-30	38
2008-09-30	68
2008-12-31	165
2009-03-31	3722
2009-06-30	4680
2009-09-30	80
2009-12-31	87
2010-03-31	149
2010-06-30	437
2010-09-30	139
2010-12-31	4426
2011-03-31	3714
2011-06-30	122
2011-09-30	206
2011-12-31	85
2012-03-31	62
2012-06-30	174
2012-09-30	150
2012-12-31	2175
2013-03-31	184
2013-06-30	159
2013-09-30	225
2013-12-31	2332
2014-03-31	2308
2014-06-30	976
2014-09-30	1639
2014-12-31	1825
2015-03-31	291
2015-06-30	107
2015-09-30	83
2015-12-31	80
2016-03-31	131
2016-06-30	136
2016-09-30	275
2016-12-31	140
2017-03-31	278
2017-06-30	110
2017-09-30	56
2017-12-31	59
2018-03-31	41
2018-06-30	32
2018-09-30	39
2018-12-31	40
2019-03-31	35
2019-06-30	61
2019-09-30	33