Quarter	US dollars
2004-12-31	2
2005-03-31	-2
2005-06-30	5
2005-09-30	136
2005-12-31	139
2006-03-31	5
2006-06-30	6
2006-09-30	97
2006-12-31	88
2007-03-31	100
2007-06-30	118
2007-09-30	165
2007-12-31	62
2008-03-31	113
2008-06-30	207
2008-09-30	166
2008-12-31	198
2009-03-31	132
2009-06-30	31
2009-09-30	13
2009-12-31	39
2010-03-31	97
2010-06-30	63
2010-09-30	43
2010-12-31	6
2011-03-31	-8
2011-06-30	-16
2011-09-30	128
2011-12-31	102
2012-03-31	125
2012-06-30	113
2012-09-30	107
2012-12-31	128
2013-03-31	164
2013-06-30	71
2013-09-30	170
2013-12-31	193
2014-03-31	308
2014-06-30	169
2014-09-30	126
2014-12-31	284
2015-03-31	315
2015-06-30	340
2015-09-30	389
2015-12-31	381
2016-03-31	345
2016-06-30	102
2016-09-30	196
2016-12-31	274
2017-03-31	278
2017-06-30	335
2017-09-30	378
2017-12-31	68
2018-03-31	250
2018-06-30	294
2018-09-30	74
2018-12-31	74
2019-03-31	298
2019-06-30	299
2019-09-30	294
2019-12-31	271
2020-03-31	105
2020-06-30	232
2020-09-30	177
2020-12-31	180
2021-03-31	174
2021-06-30	0
2021-09-30	1
2021-12-31	35
2022-03-31	34
2022-06-30	32
2022-09-30	28
2022-12-31	30
2023-03-31	23
2023-06-30	24
2023-09-30	0