Quarter	US dollars
2004-12-31	-449
2005-03-31	-463
2005-06-30	-543
2005-09-30	-577
2005-12-31	-271
2006-03-31	-295
2006-06-30	-324
2006-09-30	-469
2006-12-31	-472
2007-03-31	-541
2007-06-30	-397
2007-09-30	-255
2007-12-31	-263
2008-03-31	-396
2008-06-30	-368
2008-09-30	-397
2008-12-31	-355
2009-03-31	-338
2009-06-30	-382
2009-09-30	-416
2009-12-31	-354
2010-03-31	-361
2010-06-30	-546
2010-09-30	-287
2010-12-31	-221
2011-03-31	-495
2011-06-30	-310
2011-09-30	-243
2011-12-31	-152
2012-03-31	-61
2012-06-30	-72
2012-09-30	-45
2012-12-31	-249
2013-03-31	313
2013-06-30	507
2013-09-30	249
2013-12-31	17
2014-03-31	208
2014-06-30	133
2014-09-30	73
2014-12-31	5
2015-03-31	-183
2015-06-30	260
2015-09-30	50
2015-12-31	-58
2016-03-31	454
2016-06-30	486
2016-09-30	49
2016-12-31	236
2017-03-31	104
2017-06-30	-121
2017-09-30	-341
2017-12-31	251
2018-03-31	111
2018-06-30	78
2018-09-30	-97
2018-12-31	-229
2019-03-31	-275
2019-06-30	-449
2019-09-30	-176
2019-12-31	-317
2020-03-31	-381
2020-06-30	-279
2020-09-30	-270
2020-12-31	-284
2021-03-31	-302
2021-06-30	18
2021-09-30	-85
2021-12-31	-214
2022-03-31	-87
2022-06-30	-101
2022-09-30	-200
2022-12-31	-461
2023-03-31	-345
2023-06-30	-420
2023-09-30	-253