Quarter	US dollars
2004-12-31	672
2005-03-31	639
2005-06-30	660
2005-09-30	534
2005-12-31	661
2006-03-31	631
2006-06-30	755
2006-09-30	723
2006-12-31	832
2007-03-31	1614
2007-06-30	1677
2007-09-30	1697
2007-12-31	1782
2008-03-31	1928
2008-06-30	2004
2008-09-30	1656
2008-12-31	1515
2009-03-31	1479
2009-06-30	1820
2009-09-30	1860
2009-12-31	1760
2010-03-31	1609
2010-06-30	1390
2010-09-30	1275
2010-12-31	1326
2011-03-31	1350
2011-06-30	1389
2011-09-30	1226
2011-12-31	1490
2012-03-31	1600
2012-06-30	1611
2012-09-30	1631
2012-12-31	1612
2013-03-31	1259
2013-06-30	1191
2013-09-30	1240
2013-12-31	1261
2014-03-31	1531
2014-06-30	1547
2014-09-30	1057
2014-12-31	1150
2015-03-31	1096
2015-06-30	1148
2015-09-30	1068
2015-12-31	1049
2016-03-31	1012
2016-06-30	941
2016-09-30	908
2016-12-31	1000
2017-03-31	998
2017-06-30	1078
2017-09-30	1099
2017-12-31	896
2018-03-31	895
2018-06-30	985
2018-09-30	939
2018-12-31	926
2019-03-31	902
2019-06-30	801
2019-09-30	674
2019-12-31	824
2020-03-31	681
2020-06-30	701
2020-09-30	726
2020-12-31	803
2021-03-31	908
2021-06-30	942
2021-09-30	902
2021-12-31	823
2022-03-31	844
2022-06-30	898
2022-09-30	905
2022-12-31	899
2023-03-31	939
2023-06-30	965
2023-09-30	899