Quarter	US dollars
2004-12-31	1901
2005-03-31	1934
2005-06-30	1970
2005-09-30	1247
2005-12-31	1057
2006-03-31	1195
2006-06-30	1248
2006-09-30	1558
2006-12-31	1646
2007-03-31	906
2007-06-30	682
2007-09-30	854
2007-12-31	1145
2008-03-31	1840
2008-06-30	1775
2008-09-30	2607
2008-12-31	3150
2009-03-31	1976
2009-06-30	1434
2009-09-30	1134
2009-12-31	1260
2010-03-31	1282
2010-06-30	1564
2010-09-30	1928
2010-12-31	413
2011-03-31	242
2011-06-30	255
2011-09-30	442
2011-12-31	767
2012-03-31	369
2012-06-30	582
2012-09-30	536
2012-12-31	296
2013-03-31	317
2013-06-30	499
2013-09-30	580
2013-12-31	443
2014-03-31	530
2014-06-30	710
2014-09-30	992
2014-12-31	1388
2015-03-31	1360
2015-06-30	1225
2015-09-30	609
2015-12-31	486
2016-03-31	950
2016-06-30	540
2016-09-30	453
2016-12-31	434
2017-03-31	345
2017-06-30	423
2017-09-30	342
2017-12-31	547
2018-03-31	1193
2018-06-30	878
2018-09-30	885
2018-12-31	789
2019-03-31	233
2019-06-30	281
2019-09-30	356
2019-12-31	341
2020-03-31	577
2020-06-30	591
2020-09-30	536
2020-12-31	970
2021-03-31	573
2021-06-30	683
2021-09-30	414
2021-12-31	353
2022-03-31	486
2022-06-30	549
2022-09-30	571
2022-12-31	956
2023-03-31	639
2023-06-30	486
2023-09-30	568