Quarter	US dollars
2004-12-31	98
2005-03-31	115
2005-06-30	163
2005-09-30	175
2005-12-31	94
2006-03-31	352
2006-06-30	189
2006-09-30	-968
2006-12-31	2
2007-03-31	139
2007-06-30	28
2007-09-30	157
2007-12-31	147
2008-03-31	797
2008-06-30	551
2008-09-30	633
2008-12-31	259
2009-03-31	143
2009-06-30	23
2009-09-30	122
2009-12-31	71
2010-03-31	102
2010-06-30	322
2010-09-30	852
2010-12-31	781
2011-03-31	835
2011-06-30	507
2011-09-30	369
2011-12-31	461
2012-03-31	377
2012-06-30	430
2012-09-30	375
2012-12-31	-239
2013-03-31	311
2013-06-30	193
2013-09-30	314
2013-12-31	417
2014-03-31	298
2014-06-30	308
2014-09-30	164
2014-12-31	504
2015-03-31	395
2015-06-30	389
2015-09-30	142
2015-12-31	104
2016-03-31	75
2016-06-30	52
2016-09-30	105
2016-12-31	-422
2017-03-31	-455
2017-06-30	27
2017-09-30	40
2017-12-31	41
2018-03-31	199
2018-06-30	99
2018-09-30	4
2018-12-31	19
2019-03-31	7
2019-06-30	116
2019-09-30	251
2019-12-31	248
2020-03-31	258
2020-06-30	68
2020-09-30	315
2020-12-31	1030
2021-03-31	26
2021-06-30	294
2021-09-30	151
2021-12-31	139
2022-03-31	67
2022-06-30	192
2022-09-30	156
2022-12-31	103
2023-03-31	144
2023-06-30	119
2023-09-30	158