Quarter	US dollars
2004-12-31	779
2005-03-31	824
2005-06-30	794
2005-09-30	853
2005-12-31	856
2006-03-31	898
2006-06-30	973
2006-09-30	958
2006-12-31	1245
2007-03-31	1157
2007-06-30	1982
2007-09-30	1392
2007-12-31	1545
2008-03-31	1342
2008-06-30	1510
2008-09-30	1657
2008-12-31	1330
2009-03-31	909
2009-06-30	1013
2009-09-30	1222
2009-12-31	1171
2010-03-31	1269
2010-06-30	1245
2010-09-30	1645
2010-12-31	1537
2011-03-31	1651
2011-06-30	1808
2011-09-30	1963
2011-12-31	1903
2012-03-31	1878
2012-06-30	1602
2012-09-30	1366
2012-12-31	1539
2013-03-31	1694
2013-06-30	1292
2013-09-30	1155
2013-12-31	1177
2014-03-31	1189
2014-06-30	1583
2014-09-30	1631
2014-12-31	1462
2015-03-31	1540
2015-06-30	967
2015-09-30	978
2015-12-31	923
2016-03-31	933
2016-06-30	843
2016-09-30	866
2016-12-31	570
2017-03-31	615
2017-06-30	538
2017-09-30	684
2017-12-31	694
2018-03-31	702
2018-06-30	768
2018-09-30	1051
2018-12-31	1102
2019-03-31	801
2019-06-30	832
2019-09-30	816
2019-12-31	757
2020-03-31	794
2020-06-30	763
2020-09-30	650
2020-12-31	532
2021-03-31	592
2021-06-30	579
2021-09-30	546
2021-12-31	1020
2022-03-31	624
2022-06-30	505
2022-09-30	678
2022-12-31	1006
2023-03-31	799
2023-06-30	422
2023-09-30	416