Quarter	US dollars
2004-12-31	822
2005-03-31	1102
2005-06-30	918
2005-09-30	752
2005-12-31	920
2006-03-31	1108
2006-06-30	1080
2006-09-30	1571
2006-12-31	1611
2007-03-31	1677
2007-06-30	1525
2007-09-30	570
2007-12-31	480
2008-03-31	1590
2008-06-30	631
2008-09-30	433
2008-12-31	374
2009-03-31	272
2009-06-30	226
2009-09-30	226
2009-12-31	438
2010-03-31	224
2010-06-30	209
2010-09-30	356
2010-12-31	180
2011-03-31	324
2011-06-30	159
2011-09-30	310
2011-12-31	317
2012-03-31	353
2012-06-30	474
2012-09-30	646
2012-12-31	493
2013-03-31	472
2013-06-30	690
2013-09-30	406
2013-12-31	268
2014-03-31	422
2014-06-30	316
2014-09-30	274
2014-12-31	474
2015-03-31	480
2015-06-30	494
2015-09-30	1153
2015-12-31	379
2016-03-31	338
2016-06-30	291
2016-09-30	265
2016-12-31	304
2017-03-31	230
2017-06-30	65
2017-09-30	193
2017-12-31	113
2018-03-31	8
2018-06-30	121
2018-09-30	142
2018-12-31	17
2019-03-31	70
2019-06-30	45
2019-09-30	74
2019-12-31	79
2020-03-31	37
2020-06-30	44
2020-09-30	14
2020-12-31	14
2021-03-31	28
2021-06-30	15
2021-09-30	34
2021-12-31	55
2022-03-31	-782
2022-06-30	22
2022-09-30	25
2022-12-31	4
2023-03-31	11
2023-06-30	6
2023-09-30	23