Quarter	US dollars
2004-12-31	1114
2005-03-31	786
2005-06-30	667
2005-09-30	1097
2005-12-31	879
2006-03-31	881
2006-06-30	962
2006-09-30	1046
2006-12-31	1039
2007-03-31	1151
2007-06-30	1284
2007-09-30	972
2007-12-31	1103
2008-03-31	2093
2008-06-30	3055
2008-09-30	2768
2008-12-31	3065
2009-03-31	2663
2009-06-30	2714
2009-09-30	2581
2009-12-31	2987
2010-03-31	4200
2010-06-30	3434
2010-09-30	1708
2010-12-31	1647
2011-03-31	1706
2011-06-30	1092
2011-09-30	972
2011-12-31	1045
2012-03-31	540
2012-06-30	1421
2012-09-30	827
2012-12-31	719
2013-03-31	701
2013-06-30	808
2013-09-30	840
2013-12-31	954
2014-03-31	832
2014-06-30	1063
2014-09-30	1041
2014-12-31	1018
2015-03-31	744
2015-06-30	665
2015-09-30	497
2015-12-31	674
2016-03-31	634
2016-06-30	675
2016-09-30	651
2016-12-31	637
2017-03-31	809
2017-06-30	659
2017-09-30	888
2017-12-31	493
2018-03-31	622
2018-06-30	819
2018-09-30	678
2018-12-31	1461
2019-03-31	2164
2019-06-30	1576
2019-09-30	1763
2019-12-31	1437
2020-03-31	1464
2020-06-30	1540
2020-09-30	1701
2020-12-31	2038
2021-03-31	1460
2021-06-30	1538
2021-09-30	1556
2021-12-31	1233
2022-03-31	932
2022-06-30	1417
2022-09-30	1392
2022-12-31	881
2023-03-31	1498
2023-06-30	1740
2023-09-30	1934