Quarter	US dollars
2004-12-31	-708
2005-03-31	-803
2005-06-30	-920
2005-09-30	-249
2005-12-31	-522
2006-03-31	-49
2006-06-30	-732
2006-09-30	-1020
2006-12-31	-1252
2007-03-31	-1169
2007-06-30	-2123
2007-09-30	-2127
2007-12-31	-1298
2008-03-31	-928
2008-06-30	-830
2008-09-30	-920
2008-12-31	-736
2009-03-31	-413
2009-06-30	-160
2009-09-30	125
2009-12-31	-709
2010-03-31	-329
2010-06-30	-563
2010-09-30	-1881
2010-12-31	-2012
2011-03-31	-2175
2011-06-30	-162
2011-09-30	9
2011-12-31	-1545
2012-03-31	-1630
2012-06-30	-1253
2012-09-30	-1584
2012-12-31	-1334
2013-03-31	-1374
2013-06-30	-1145
2013-09-30	-1168
2013-12-31	-889
2014-03-31	-945
2014-06-30	-845
2014-09-30	-1015
2014-12-31	-746
2015-03-31	-585
2015-06-30	-332
2015-09-30	-394
2015-12-31	-452
2016-03-31	-405
2016-06-30	-615
2016-09-30	-413
2016-12-31	-225
2017-03-31	-148
2017-06-30	-368
2017-09-30	-652
2017-12-31	-942
2018-03-31	-1238
2018-06-30	-949
2018-09-30	-840
2018-12-31	-787
2019-03-31	-446
2019-06-30	-339
2019-09-30	-464
2019-12-31	-519
2020-03-31	-414
2020-06-30	-423
2020-09-30	-388
2020-12-31	-658
2021-03-31	-636
2021-06-30	-569
2021-09-30	-436
2021-12-31	-460
2022-03-31	-719
2022-06-30	-671
2022-09-30	-537
2022-12-31	-798
2023-03-31	-925
2023-06-30	-506
2023-09-30	-796