Quarter	US dollars
2004-12-31	2
2005-03-31	2
2005-06-30	2
2005-09-30	2
2005-12-31	2
2006-03-31	2
2006-06-30	1409
2006-09-30	1147
2006-12-31	1035
2007-03-31	973
2007-06-30	632
2007-09-30	1885
2007-12-31	2262
2008-03-31	2465
2008-06-30	2625
2008-09-30	2474
2008-12-31	2427
2009-03-31	2451
2009-06-30	2977
2009-09-30	3045
2009-12-31	2559
2010-03-31	2442
2010-06-30	2270
2010-09-30	280
2010-12-31	326
2011-03-31	285
2011-06-30	283
2011-09-30	2025
2011-12-31	298
2012-03-31	272
2012-06-30	257
2012-09-30	252
2012-12-31	283
2013-03-31	199
2013-06-30	209
2013-09-30	209
2013-12-31	202
2014-03-31	197
2014-06-30	200
2014-09-30	162
2014-12-31	159
2015-03-31	273
2015-06-30	293
2015-09-30	282
2015-12-31	276
2016-03-31	267
2016-06-30	140
2016-09-30	149
2016-12-31	151
2017-03-31	155
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