Quarter	US dollars
2004-12-31	221
2005-03-31	221
2005-06-30	176
2005-09-30	775
2005-12-31	649
2006-03-31	640
2006-06-30	640
2006-09-30	624
2006-12-31	679
2007-03-31	698
2007-06-30	632
2007-09-30	756
2007-12-31	745
2008-03-31	1139
2008-06-30	1459
2008-09-30	1449
2008-12-31	1305
2009-03-31	1264
2009-06-30	1281
2009-09-30	1308
2009-12-31	1211
2010-03-31	1327
2010-06-30	1198
2010-09-30	1268
2010-12-31	1285
2011-03-31	1119
2011-06-30	1573
2011-09-30	1946
2011-12-31	1579
2012-03-31	1704
2012-06-30	1650
2012-09-30	1449
2012-12-31	1732
2013-03-31	1687
2013-06-30	1732
2013-09-30	1738
2013-12-31	1721
2014-03-31	1974
2014-06-30	2101
2014-09-30	2025
2014-12-31	1924
2015-03-31	1887
2015-06-30	1810
2015-09-30	2001
2015-12-31	1686
2016-03-31	1602
2016-06-30	994
2016-09-30	938
2016-12-31	917
2017-03-31	788
2017-06-30	940
2017-09-30	973
2017-12-31	1005
2018-03-31	1100
2018-06-30	1062
2018-09-30	1002
2018-12-31	979
2019-03-31	866
2019-06-30	1009
2019-09-30	1024
2019-12-31	1038
2020-03-31	1018
2020-06-30	992
2020-09-30	936
2020-12-31	890
2021-03-31	1037
2021-06-30	1088
2021-09-30	1373
2021-12-31	1026
2022-03-31	973
2022-06-30	1004
2022-09-30	1014
2022-12-31	950
2023-03-31	861
2023-06-30	897
2023-09-30	896