Quarter	US dollars
2004-12-31	109
2005-03-31	115
2005-06-30	195
2005-09-30	306
2005-12-31	189
2006-03-31	324
2006-06-30	272
2006-09-30	329
2006-12-31	188
2007-03-31	251
2007-06-30	223
2007-09-30	228
2007-12-31	253
2008-03-31	76
2008-06-30	-34
2008-09-30	119
2008-12-31	348
2009-03-31	-251
2009-06-30	143
2009-09-30	230
2009-12-31	213
2010-03-31	255
2010-06-30	317
2010-09-30	362
2010-12-31	-208
2011-03-31	-91
2011-06-30	-100
2011-09-30	-268
2011-12-31	-3
2012-03-31	-43
2012-06-30	-83
2012-09-30	-44
2012-12-31	-61
2013-03-31	-44
2013-06-30	-44
2013-09-30	-45
2013-12-31	-50
2014-03-31	-43
2014-06-30	-46
2014-09-30	-75
2014-12-31	-47
2015-03-31	-73
2015-06-30	-53
2015-09-30	-123
2015-12-31	-83
2016-03-31	-102
2016-06-30	-145
2016-09-30	-91
2016-12-31	-73
2017-03-31	-50
2017-06-30	-105
2017-09-30	-90
2017-12-31	30
2018-03-31	-1
2018-06-30	-17
2018-09-30	-23
2018-12-31	-10
2019-03-31	-8
2019-06-30	-19
2019-09-30	-20
2019-12-31	-30
2020-03-31	-110
2020-06-30	-64
2020-09-30	-50
2020-12-31	-71
2021-03-31	-46
2021-06-30	-33
2021-09-30	-27
2021-12-31	-15
2022-03-31	-33
2022-06-30	-44
2022-09-30	-83
2022-12-31	-43
2023-03-31	-61
2023-06-30	-37
2023-09-30	-30