Quarter	US dollars
2004-12-31	54
2005-03-31	78
2005-06-30	1466
2005-09-30	1567
2005-12-31	1715
2006-03-31	2354
2006-06-30	18207
2006-09-30	25723
2006-12-31	3182
2007-03-31	107554
2007-06-30	2358
2007-09-30	3961
2007-12-31	4324
2008-03-31	4724
2008-06-30	4301
2008-09-30	677
2008-12-31	1
2009-03-31	12762
2009-06-30	12891
2009-09-30	14291
2009-12-31	289
2010-03-31	1359
2010-06-30	0
2010-09-30	1490
2010-12-31	938
2011-03-31	2159
2011-06-30	2466
2011-09-30	3069
2011-12-31	3033
2012-03-31	3720
2012-06-30	2303
2012-09-30	3152
2012-12-31	3680
2013-03-31	3653
2013-06-30	579
2013-09-30	15781
2013-12-31	4221
2014-03-31	987
2014-06-30	1202
2014-09-30	2286
2014-12-31	16
2015-03-31	1
2015-06-30	2
2015-09-30	2
2015-12-31	1
2016-03-31	1
2016-06-30	1
2016-09-30	1
2016-12-31	1
2017-03-31	1
2017-06-30	0
2017-09-30	-1
2017-12-31	1
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	1
2019-03-31	5
2019-06-30	-5
2019-09-30	5
2019-12-31	4
2020-03-31	-4
2020-06-30	-5
2020-09-30	-6
2020-12-31	-29
2021-03-31	-33
2021-06-30	-3
2021-09-30	-4
2021-12-31	-8
2022-03-31	0
2022-06-30	-16
2022-09-30	-2
2022-12-31	-16
2023-03-31	-9
2023-06-30	19
2023-09-30	19