Quarter	US dollars
2004-12-31	935
2005-03-31	641
2005-06-30	547
2005-09-30	416
2005-12-31	421
2006-03-31	310
2006-06-30	313
2006-09-30	321
2006-12-31	305
2007-03-31	282
2007-06-30	297
2007-09-30	202
2007-12-31	207
2008-03-31	298
2008-06-30	243
2008-09-30	328
2008-12-31	571
2009-03-31	407
2009-06-30	1143
2009-09-30	1236
2009-12-31	1174
2010-03-31	687
2010-06-30	540
2010-09-30	551
2010-12-31	672
2011-03-31	1130
2011-06-30	1073
2011-09-30	1552
2011-12-31	1793
2012-03-31	1478
2012-06-30	1515
2012-09-30	1260
2012-12-31	1381
2013-03-31	1262
2013-06-30	1145
2013-09-30	777
2013-12-31	944
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