Quarter	US dollars
2004-12-31	405
2005-03-31	367
2005-06-30	443
2005-09-30	474
2005-12-31	513
2006-03-31	659
2006-06-30	634
2006-09-30	695
2006-12-31	417
2007-03-31	1118
2007-06-30	1266
2007-09-30	1106
2007-12-31	878
2008-03-31	2518
2008-06-30	1859
2008-09-30	1411
2008-12-31	2408
2009-03-31	1850
2009-06-30	1555
2009-09-30	1871
2009-12-31	1839
2010-03-31	1756
2010-06-30	1921
2010-09-30	2872
2010-12-31	2386
2011-03-31	1783
2011-06-30	2054
2011-09-30	1421
2011-12-31	1554
2012-03-31	1245
2012-06-30	1172
2012-09-30	1069
2012-12-31	621
2013-03-31	1278
2013-06-30	1385
2013-09-30	1278
2013-12-31	1760
2014-03-31	1184
2014-06-30	993
2014-09-30	1010
2014-12-31	1141
2015-03-31	1048
2015-06-30	1301
2015-09-30	1972
2015-12-31	1307
2016-03-31	1114
2016-06-30	980
2016-09-30	847
2016-12-31	790
2017-03-31	747
2017-06-30	655
2017-09-30	616
2017-12-31	634
2018-03-31	624
2018-06-30	603
2018-09-30	469
2018-12-31	484
2019-03-31	521
2019-06-30	780
2019-09-30	813
2019-12-31	814
2020-03-31	1276
2020-06-30	1086
2020-09-30	1110
2020-12-31	975
2021-03-31	964
2021-06-30	836
2021-09-30	1475
2021-12-31	902
2022-03-31	612
2022-06-30	851
2022-09-30	1146
2022-12-31	711
2023-03-31	465
2023-06-30	588
2023-09-30	844