Quarter	US dollars
2004-12-31	213
2005-03-31	178
2005-06-30	168
2005-09-30	182
2005-12-31	330
2006-03-31	314
2006-06-30	301
2006-09-30	276
2006-12-31	198
2007-03-31	184
2007-06-30	215
2007-09-30	234
2007-12-31	231
2008-03-31	330
2008-06-30	366
2008-09-30	342
2008-12-31	335
2009-03-31	302
2009-06-30	328
2009-09-30	289
2009-12-31	205
2010-03-31	250
2010-06-30	280
2010-09-30	202
2010-12-31	185
2011-03-31	242
2011-06-30	226
2011-09-30	220
2011-12-31	779
2012-03-31	307
2012-06-30	300
2012-09-30	257
2012-12-31	251
2013-03-31	311
2013-06-30	279
2013-09-30	269
2013-12-31	332
2014-03-31	477
2014-06-30	470
2014-09-30	412
2014-12-31	512
2015-03-31	554
2015-06-30	412
2015-09-30	11
2015-12-31	64
2016-03-31	7
2016-06-30	168
2016-09-30	36
2016-12-31	36
2017-03-31	40
2017-06-30	38
2017-09-30	35
2017-12-31	34
2018-03-31	34
2018-06-30	33
2018-09-30	33
2018-12-31	32
2019-03-31	31
2019-06-30	31
2019-09-30	31
2019-12-31	0
2020-03-31	0
2020-06-30	2
2020-09-30	1
2020-12-31	4
2021-03-31	14
2021-06-30	12
2021-09-30	8
2021-12-31	4
2022-03-31	3
2022-06-30	-74
2022-09-30	3
2022-12-31	14
2023-03-31	0
2023-06-30	4
2023-09-30	0