Quarter	US dollars
2004-12-31	-2
2005-03-31	28
2005-06-30	23
2005-09-30	87
2005-12-31	86
2006-03-31	23
2006-06-30	28
2006-09-30	50
2006-12-31	55
2007-03-31	73
2007-06-30	98
2007-09-30	259
2007-12-31	243
2008-03-31	244
2008-06-30	374
2008-09-30	353
2008-12-31	272
2009-03-31	257
2009-06-30	235
2009-09-30	157
2009-12-31	142
2010-03-31	149
2010-06-30	263
2010-09-30	293
2010-12-31	296
2011-03-31	229
2011-06-30	297
2011-09-30	308
2011-12-31	229
2012-03-31	217
2012-06-30	188
2012-09-30	173
2012-12-31	168
2013-03-31	175
2013-06-30	114
2013-09-30	120
2013-12-31	107
2014-03-31	137
2014-06-30	135
2014-09-30	76
2014-12-31	76
2015-03-31	31
2015-06-30	31
2015-09-30	33
2015-12-31	30
2016-03-31	36
2016-06-30	23
2016-09-30	9
2016-12-31	7
2017-03-31	8
2017-06-30	5
2017-09-30	13
2017-12-31	14
2018-03-31	102
2018-06-30	16
2018-09-30	8
2018-12-31	9
2019-03-31	10
2019-06-30	11
2019-09-30	25
2019-12-31	38
2020-03-31	24
2020-06-30	25
2020-09-30	9
2020-12-31	23
2021-03-31	6
2021-06-30	14
2021-09-30	26
2021-12-31	7
2022-03-31	9
2022-06-30	6
2022-09-30	5
2022-12-31	0
2023-03-31	5
2023-06-30	6
2023-09-30	10