Quarter	US dollars
2004-12-31	-1476
2005-03-31	-890
2005-06-30	-1319
2005-09-30	-1263
2005-12-31	-556
2006-03-31	-829
2006-06-30	0
2006-09-30	686
2006-12-31	-119
2007-03-31	424
2007-06-30	148
2007-09-30	159
2007-12-31	330
2008-03-31	123
2008-06-30	-193
2008-09-30	-572
2008-12-31	194
2009-03-31	279
2009-06-30	339
2009-09-30	222
2009-12-31	242
2010-03-31	64
2010-06-30	-863
2010-09-30	-933
2010-12-31	-698
2011-03-31	-1523
2011-06-30	-828
2011-09-30	-536
2011-12-31	-434
2012-03-31	-630
2012-06-30	-598
2012-09-30	-720
2012-12-31	26
2013-03-31	-65
2013-06-30	29
2013-09-30	565
2013-12-31	564
2014-03-31	428
2014-06-30	545
2014-09-30	522
2014-12-31	451
2015-03-31	-61
2015-06-30	-22
2015-09-30	-106
2015-12-31	-37
2016-03-31	-35
2016-06-30	168
2016-09-30	157
2016-12-31	-18
2017-03-31	-249
2017-06-30	179
2017-09-30	122
2017-12-31	385
2018-03-31	707
2018-06-30	712
2018-09-30	681
2018-12-31	441
2019-03-31	422
2019-06-30	601
2019-09-30	675
2019-12-31	795
2020-03-31	481
2020-06-30	529
2020-09-30	642
2020-12-31	988
2021-03-31	713
2021-06-30	398
2021-09-30	303
2021-12-31	345
2022-03-31	305
2022-06-30	125
2022-09-30	228
2022-12-31	57
2023-03-31	158
2023-06-30	304
2023-09-30	474