Quarter	US dollars
2004-12-31	557
2005-03-31	526
2005-06-30	423
2005-09-30	467
2005-12-31	463
2006-03-31	581
2006-06-30	592
2006-09-30	678
2006-12-31	787
2007-03-31	708
2007-06-30	782
2007-09-30	833
2007-12-31	1571
2008-03-31	1451
2008-06-30	1558
2008-09-30	1714
2008-12-31	1780
2009-03-31	1948
2009-06-30	2037
2009-09-30	2065
2009-12-31	2075
2010-03-31	2207
2010-06-30	2024
2010-09-30	2050
2010-12-31	2112
2011-03-31	2172
2011-06-30	1143
2011-09-30	2153
2011-12-31	2104
2012-03-31	2046
2012-06-30	3052
2012-09-30	2933
2012-12-31	2993
2013-03-31	2934
2013-06-30	2956
2013-09-30	3044
2013-12-31	3048
2014-03-31	3036
2014-06-30	2857
2014-09-30	2704
2014-12-31	2575
2015-03-31	2643
2015-06-30	1461
2015-09-30	1671
2015-12-31	1583
2016-03-31	1550
2016-06-30	1473
2016-09-30	1516
2016-12-31	1736
2017-03-31	1640
2017-06-30	2006
2017-09-30	2053
2017-12-31	2014
2018-03-31	1697
2018-06-30	1677
2018-09-30	1744
2018-12-31	1671
2019-03-31	1672
2019-06-30	1634
2019-09-30	1689
2019-12-31	1631
2020-03-31	1743
2020-06-30	1729
2020-09-30	1661
2020-12-31	1634
2021-03-31	1696
2021-06-30	1787
2021-09-30	1779
2021-12-31	2213
2022-03-31	2051
2022-06-30	1656
2022-09-30	1507
2022-12-31	1272
2023-03-31	1216
2023-06-30	1180
2023-09-30	1201