Quarter	US dollars
2004-12-31	92
2005-03-31	121
2005-06-30	-9
2005-09-30	21
2005-12-31	106
2006-03-31	281
2006-06-30	499
2006-09-30	521
2006-12-31	587
2007-03-31	312
2007-06-30	405
2007-09-30	342
2007-12-31	243
2008-03-31	159
2008-06-30	289
2008-09-30	251
2008-12-31	82
2009-03-31	143
2009-06-30	237
2009-09-30	368
2009-12-31	400
2010-03-31	400
2010-06-30	465
2010-09-30	709
2010-12-31	872
2011-03-31	962
2011-06-30	870
2011-09-30	421
2011-12-31	292
2012-03-31	400
2012-06-30	210
2012-09-30	341
2012-12-31	312
2013-03-31	62
2013-06-30	244
2013-09-30	139
2013-12-31	112
2014-03-31	93
2014-06-30	84
2014-09-30	169
2014-12-31	139
2015-03-31	146
2015-06-30	53
2015-09-30	58
2015-12-31	18
2016-03-31	23
2016-06-30	23
2016-09-30	61
2016-12-31	71
2017-03-31	20
2017-06-30	13
2017-09-30	76
2017-12-31	27
2018-03-31	111
2018-06-30	96
2018-09-30	46
2018-12-31	33
2019-03-31	26
2019-06-30	11
2019-09-30	2
2019-12-31	0
2020-03-31	2
2020-06-30	1
2020-09-30	1
2020-12-31	3
2021-03-31	12
2021-06-30	12
2021-09-30	3
2021-12-31	28
2022-03-31	76
2022-06-30	84
2022-09-30	74
2022-12-31	74
2023-03-31	72
2023-06-30	72
2023-09-30	70