Quarter	US dollars
2004-12-31	933
2005-03-31	612
2005-06-30	529
2005-09-30	396
2005-12-31	235
2006-03-31	186
2006-06-30	176
2006-09-30	157
2006-12-31	135
2007-03-31	129
2007-06-30	152
2007-09-30	139
2007-12-31	143
2008-03-31	207
2008-06-30	117
2008-09-30	194
2008-12-31	472
2009-03-31	305
2009-06-30	1070
2009-09-30	1139
2009-12-31	1054
2010-03-31	555
2010-06-30	410
2010-09-30	399
2010-12-31	474
2011-03-31	928
2011-06-30	1093
2011-09-30	1287
2011-12-31	1350
2012-03-31	1056
2012-06-30	1164
2012-09-30	935
2012-12-31	986
2013-03-31	923
2013-06-30	799
2013-09-30	776
2013-12-31	942
2014-03-31	0
2014-06-30	0
2014-09-30	0
2014-12-31	0
2015-03-31	0
2015-06-30	0
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
2019-12-31	0
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	0
2021-09-30	0
2021-12-31	0
2022-03-31	0
2022-06-30	0
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	0