Quarter	US dollars
2004-12-31	94
2005-03-31	705
2005-06-30	753
2005-09-30	884
2005-12-31	94
2006-03-31	-904
2006-06-30	-836
2006-09-30	-745
2006-12-31	-2327
2007-03-31	-908
2007-06-30	-233
2007-09-30	-3231
2007-12-31	231
2008-03-31	42
2008-06-30	94
2008-09-30	-879
2008-12-31	10921
2009-03-31	10290
2009-06-30	7984
2009-09-30	1977
2009-12-31	-1260
2010-03-31	-1339
2010-06-30	-4200
2010-09-30	-4474
2010-12-31	-3552
2011-03-31	-2797
2011-06-30	-2089
2011-09-30	-2183
2011-12-31	-1333
2012-03-31	-1795
2012-06-30	-2706
2012-09-30	-2855
2012-12-31	-711
2013-03-31	-1679
2013-06-30	-1047
2013-09-30	-1082
2013-12-31	-747
2014-03-31	-222
2014-06-30	-1761
2014-09-30	-2133
2014-12-31	-1447
2015-03-31	-889
2015-06-30	363
2015-09-30	-1297
2015-12-31	-1226
2016-03-31	-1484
2016-06-30	-2162
2016-09-30	-1451
2016-12-31	-695
2017-03-31	-48
2017-06-30	-535
2017-09-30	-639
2017-12-31	-1366
2018-03-31	-1022
2018-06-30	-1219
2018-09-30	-818
2018-12-31	-1019
2019-03-31	-671
2019-06-30	-830
2019-09-30	-195
2019-12-31	-754
2020-03-31	-1189
2020-06-30	-1498
2020-09-30	-4741
2020-12-31	-4738
2021-03-31	-3846
2021-06-30	-1813
2021-09-30	-1699
2021-12-31	-2433
2022-03-31	-2574
2022-06-30	-1449
2022-09-30	-1551
2022-12-31	-1759
2023-03-31	-1313
2023-06-30	-1579
2023-09-30	-2369