Quarter	US dollars
2004-12-31	-69
2005-03-31	-74
2005-06-30	-82
2005-09-30	-87
2005-12-31	-106
2006-03-31	-94
2006-06-30	-118
2006-09-30	-112
2006-12-31	-70
2007-03-31	-1159
2007-06-30	-654
2007-09-30	-1279
2007-12-31	-850
2008-03-31	-847
2008-06-30	-557
2008-09-30	-973
2008-12-31	-825
2009-03-31	-431
2009-06-30	-425
2009-09-30	-371
2009-12-31	-436
2010-03-31	-695
2010-06-30	-447
2010-09-30	-573
2010-12-31	-701
2011-03-31	-870
2011-06-30	-1315
2011-09-30	-1086
2011-12-31	-1541
2012-03-31	-1553
2012-06-30	-1492
2012-09-30	-1629
2012-12-31	-1677
2013-03-31	-1715
2013-06-30	-1400
2013-09-30	-1530
2013-12-31	-1507
2014-03-31	-1567
2014-06-30	-1409
2014-09-30	-1504
2014-12-31	-1573
2015-03-31	-1503
2015-06-30	-1540
2015-09-30	-1371
2015-12-31	-1467
2016-03-31	-1275
2016-06-30	-1086
2016-09-30	-1093
2016-12-31	-1411
2017-03-31	-1518
2017-06-30	-190
2017-09-30	-331
2017-12-31	-286
2018-03-31	-254
2018-06-30	-228
2018-09-30	-352
2018-12-31	-389
2019-03-31	-687
2019-06-30	-475
2019-09-30	-431
2019-12-31	-686
2020-03-31	-770
2020-06-30	-169
2020-09-30	-667
2020-12-31	-113
2021-03-31	-212
2021-06-30	-298
2021-09-30	-115
2021-12-31	-536
2022-03-31	-213
2022-06-30	-172
2022-09-30	-229
2022-12-31	-271
2023-03-31	-194
2023-06-30	-22
2023-09-30	-110