Quarter	US dollars
2004-12-31	374
2005-03-31	471
2005-06-30	787
2005-09-30	904
2005-12-31	951
2006-03-31	895
2006-06-30	903
2006-09-30	1293
2006-12-31	973
2007-03-31	994
2007-06-30	1023
2007-09-30	1129
2007-12-31	1222
2008-03-31	1435
2008-06-30	1512
2008-09-30	1467
2008-12-31	1456
2009-03-31	1502
2009-06-30	1588
2009-09-30	1447
2009-12-31	1487
2010-03-31	1421
2010-06-30	1405
2010-09-30	1574
2010-12-31	1816
2011-03-31	1848
2011-06-30	1983
2011-09-30	1927
2011-12-31	1916
2012-03-31	1841
2012-06-30	1796
2012-09-30	1885
2012-12-31	2018
2013-03-31	2087
2013-06-30	1928
2013-09-30	1982
2013-12-31	1858
2014-03-31	1742
2014-06-30	1778
2014-09-30	1900
2014-12-31	2090
2015-03-31	2007
2015-06-30	1869
2015-09-30	1818
2015-12-31	1783
2016-03-31	1744
2016-06-30	1935
2016-09-30	1979
2016-12-31	1944
2017-03-31	1924
2017-06-30	2445
2017-09-30	2416
2017-12-31	2162
2018-03-31	2310
2018-06-30	2334
2018-09-30	2388
2018-12-31	2200
2019-03-31	2244
2019-06-30	2346
2019-09-30	2300
2019-12-31	2229
2020-03-31	2202
2020-06-30	2136
2020-09-30	2012
2020-12-31	1972
2021-03-31	1938
2021-06-30	1953
2021-09-30	1992
2021-12-31	1796
2022-03-31	1544
2022-06-30	1340
2022-09-30	1690
2022-12-31	1182
2023-03-31	1104
2023-06-30	1195
2023-09-30	1109