Quarter	US dollars
2004-12-31	372
2005-03-31	329
2005-06-30	396
2005-09-30	504
2005-12-31	285
2006-03-31	541
2006-06-30	666
2006-09-30	559
2006-12-31	585
2007-03-31	127
2007-06-30	586
2007-09-30	727
2007-12-31	745
2008-03-31	2421
2008-06-30	1481
2008-09-30	818
2008-12-31	-1141
2009-03-31	-665
2009-06-30	-466
2009-09-30	-61
2009-12-31	-278
2010-03-31	-432
2010-06-30	-498
2010-09-30	-681
2010-12-31	-440
2011-03-31	-673
2011-06-30	-686
2011-09-30	-625
2011-12-31	-485
2012-03-31	-487
2012-06-30	-71
2012-09-30	-646
2012-12-31	-365
2013-03-31	-424
2013-06-30	-413
2013-09-30	-379
2013-12-31	-395
2014-03-31	-12
2014-06-30	-43
2014-09-30	-209
2014-12-31	-5
2015-03-31	46
2015-06-30	87
2015-09-30	170
2015-12-31	89
2016-03-31	216
2016-06-30	98
2016-09-30	21
2016-12-31	23
2017-03-31	160
2017-06-30	117
2017-09-30	80
2017-12-31	42
2018-03-31	55
2018-06-30	137
2018-09-30	95
2018-12-31	160
2019-03-31	86
2019-06-30	94
2019-09-30	49
2019-12-31	98
2020-03-31	97
2020-06-30	117
2020-09-30	48
2020-12-31	31
2021-03-31	-4
2021-06-30	35
2021-09-30	-78
2021-12-31	67
2022-03-31	576
2022-06-30	215
2022-09-30	173
2022-12-31	197
2023-03-31	202
2023-06-30	211
2023-09-30	202