Quarter	US dollars
2004-12-31	280
2005-03-31	297
2005-06-30	305
2005-09-30	547
2005-12-31	330
2006-03-31	531
2006-06-30	775
2006-09-30	977
2006-12-31	751
2007-03-31	1281
2007-06-30	630
2007-09-30	711
2007-12-31	930
2008-03-31	749
2008-06-30	583
2008-09-30	1012
2008-12-31	564
2009-03-31	622
2009-06-30	305
2009-09-30	304
2009-12-31	442
2010-03-31	854
2010-06-30	1070
2010-09-30	810
2010-12-31	700
2011-03-31	640
2011-06-30	506
2011-09-30	590
2011-12-31	809
2012-03-31	1040
2012-06-30	932
2012-09-30	786
2012-12-31	749
2013-03-31	997
2013-06-30	965
2013-09-30	1257
2013-12-31	1841
2014-03-31	1692
2014-06-30	1800
2014-09-30	2033
2014-12-31	1423
2015-03-31	1563
2015-06-30	1464
2015-09-30	1204
2015-12-31	625
2016-03-31	814
2016-06-30	859
2016-09-30	657
2016-12-31	688
2017-03-31	573
2017-06-30	757
2017-09-30	1037
2017-12-31	697
2018-03-31	1033
2018-06-30	920
2018-09-30	529
2018-12-31	908
2019-03-31	928
2019-06-30	727
2019-09-30	658
2019-12-31	506
2020-03-31	685
2020-06-30	641
2020-09-30	1110
2020-12-31	1744
2021-03-31	1272
2021-06-30	1269
2021-09-30	906
2021-12-31	923
2022-03-31	632
2022-06-30	624
2022-09-30	550
2022-12-31	519
2023-03-31	346
2023-06-30	1619
2023-09-30	744