Quarter	US dollars
2004-12-31	244
2005-03-31	187
2005-06-30	197
2005-09-30	264
2005-12-31	554
2006-03-31	565
2006-06-30	377
2006-09-30	512
2006-12-31	297
2007-03-31	243
2007-06-30	287
2007-09-30	279
2007-12-31	342
2008-03-31	676
2008-06-30	428
2008-09-30	403
2008-12-31	405
2009-03-31	310
2009-06-30	262
2009-09-30	302
2009-12-31	197
2010-03-31	240
2010-06-30	268
2010-09-30	202
2010-12-31	180
2011-03-31	244
2011-06-30	220
2011-09-30	193
2011-12-31	887
2012-03-31	264
2012-06-30	295
2012-09-30	223
2012-12-31	291
2013-03-31	398
2013-06-30	328
2013-09-30	311
2013-12-31	340
2014-03-31	467
2014-06-30	445
2014-09-30	428
2014-12-31	464
2015-03-31	512
2015-06-30	436
2015-09-30	24
2015-12-31	13
2016-03-31	105
2016-06-30	99
2016-09-30	88
2016-12-31	71
2017-03-31	80
2017-06-30	44
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	30
2019-06-30	33
2019-09-30	33
2019-12-31	9
2020-03-31	1
2020-06-30	6
2020-09-30	4
2020-12-31	5
2021-03-31	30
2021-06-30	21
2021-09-30	11
2021-12-31	12
2022-03-31	11
2022-06-30	-73
2022-09-30	12
2022-12-31	22
2023-03-31	3
2023-06-30	0
2023-09-30	3