Quarter	US dollars
2004-12-31	-227
2005-03-31	-280
2005-06-30	-228
2005-09-30	-264
2005-12-31	-185
2006-03-31	-316
2006-06-30	-340
2006-09-30	-450
2006-12-31	-374
2007-03-31	-424
2007-06-30	-1216
2007-09-30	-1253
2007-12-31	-1234
2008-03-31	-457
2008-06-30	-476
2008-09-30	-369
2008-12-31	-336
2009-03-31	-76
2009-06-30	-61
2009-09-30	-46
2009-12-31	-52
2010-03-31	-27
2010-06-30	-169
2010-09-30	124
2010-12-31	-25
2011-03-31	-338
2011-06-30	-477
2011-09-30	-796
2011-12-31	-83
2012-03-31	278
2012-06-30	209
2012-09-30	409
2012-12-31	252
2013-03-31	219
2013-06-30	70
2013-09-30	-143
2013-12-31	-337
2014-03-31	-175
2014-06-30	116
2014-09-30	183
2014-12-31	-446
2015-03-31	-447
2015-06-30	140
2015-09-30	36
2015-12-31	273
2016-03-31	-35
2016-06-30	-64
2016-09-30	621
2016-12-31	625
2017-03-31	305
2017-06-30	-546
2017-09-30	-517
2017-12-31	-492
2018-03-31	-317
2018-06-30	-209
2018-09-30	-99
2018-12-31	-181
2019-03-31	-89
2019-06-30	-271
2019-09-30	-356
2019-12-31	-289
2020-03-31	-358
2020-06-30	-250
2020-09-30	-269
2020-12-31	-313
2021-03-31	-352
2021-06-30	-426
2021-09-30	-438
2021-12-31	-469
2022-03-31	-732
2022-06-30	-566
2022-09-30	-535
2022-12-31	-885
2023-03-31	-889
2023-06-30	-771
2023-09-30	-797