Quarter	US dollars
2004-12-31	-637
2005-03-31	-552
2005-06-30	-441
2005-09-30	-440
2005-12-31	-532
2006-03-31	-125
2006-06-30	-133
2006-09-30	-129
2006-12-31	-133
2007-03-31	-1416
2007-06-30	-90
2007-09-30	-8
2007-12-31	-16
2008-03-31	-28
2008-06-30	-155
2008-09-30	-166
2008-12-31	-96
2009-03-31	-99
2009-06-30	-69
2009-09-30	-106
2009-12-31	-118
2010-03-31	-102
2010-06-30	-105
2010-09-30	-124
2010-12-31	-171
2011-03-31	-178
2011-06-30	47
2011-09-30	-241
2011-12-31	-424
2012-03-31	-403
2012-06-30	-336
2012-09-30	-302
2012-12-31	-375
2013-03-31	-320
2013-06-30	-331
2013-09-30	6
2013-12-31	3
2014-03-31	10
2014-06-30	3
2014-09-30	250
2014-12-31	72
2015-03-31	7
2015-06-30	30
2015-09-30	167
2015-12-31	255
2016-03-31	220
2016-06-30	180
2016-09-30	86
2016-12-31	426
2017-03-31	215
2017-06-30	465
2017-09-30	541
2017-12-31	771
2018-03-31	1037
2018-06-30	965
2018-09-30	1116
2018-12-31	1038
2019-03-31	526
2019-06-30	500
2019-09-30	572
2019-12-31	617
2020-03-31	618
2020-06-30	539
2020-09-30	697
2020-12-31	813
2021-03-31	844
2021-06-30	739
2021-09-30	724
2021-12-31	743
2022-03-31	791
2022-06-30	664
2022-09-30	814
2022-12-31	685
2023-03-31	1426
2023-06-30	1216
2023-09-30	1065