Quarter	US dollars
2004-12-31	315
2005-03-31	257
2005-06-30	635
2005-09-30	1139
2005-12-31	1473
2006-03-31	2697
2006-06-30	2045
2006-09-30	1493
2006-12-31	2274
2007-03-31	2485
2007-06-30	2207
2007-09-30	2547
2007-12-31	3235
2008-03-31	2661
2008-06-30	2635
2008-09-30	2171
2008-12-31	1041
2009-03-31	1652
2009-06-30	1504
2009-09-30	1244
2009-12-31	1138
2010-03-31	915
2010-06-30	1071
2010-09-30	752
2010-12-31	564
2011-03-31	636
2011-06-30	281
2011-09-30	581
2011-12-31	564
2012-03-31	257
2012-06-30	271
2012-09-30	102
2012-12-31	124
2013-03-31	202
2013-06-30	83
2013-09-30	32
2013-12-31	68
2014-03-31	192
2014-06-30	174
2014-09-30	144
2014-12-31	44
2015-03-31	25
2015-06-30	61
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	1
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	1
2018-09-30	3
2018-12-31	3
2019-03-31	0
2019-06-30	0
2019-09-30	0
2019-12-31	1
2020-03-31	2
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	1
2021-06-30	0
2021-09-30	0
2021-12-31	0
2022-03-31	1
2022-06-30	0
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	0