Quarter	US dollars
2004-12-31	1077
2005-03-31	915
2005-06-30	945
2005-09-30	662
2005-12-31	635
2006-03-31	2286
2006-06-30	2900
2006-09-30	3408
2006-12-31	2176
2007-03-31	561
2007-06-30	544
2007-09-30	104
2007-12-31	90
2008-03-31	924
2008-06-30	74
2008-09-30	7
2008-12-31	300
2009-03-31	2038
2009-06-30	3366
2009-09-30	2880
2009-12-31	1119
2010-03-31	1060
2010-06-30	931
2010-09-30	925
2010-12-31	1007
2011-03-31	978
2011-06-30	962
2011-09-30	293
2011-12-31	1263
2012-03-31	1822
2012-06-30	1660
2012-09-30	1634
2012-12-31	1712
2013-03-31	1614
2013-06-30	1580
2013-09-30	1532
2013-12-31	2008
2014-03-31	2009
2014-06-30	1946
2014-09-30	2142
2014-12-31	1979
2015-03-31	1773
2015-06-30	1722
2015-09-30	965
2015-12-31	1015
2016-03-31	883
2016-06-30	826
2016-09-30	746
2016-12-31	1725
2017-03-31	2001
2017-06-30	1589
2017-09-30	2282
2017-12-31	2126
2018-03-31	2412
2018-06-30	3425
2018-09-30	3397
2018-12-31	2876
2019-03-31	2398
2019-06-30	2589
2019-09-30	2683
2019-12-31	2983
2020-03-31	2916
2020-06-30	2207
2020-09-30	2436
2020-12-31	2300
2021-03-31	2143
2021-06-30	1620
2021-09-30	1336
2021-12-31	2004
2022-03-31	1239
2022-06-30	1672
2022-09-30	1268
2022-12-31	1583
2023-03-31	1560
2023-06-30	1245
2023-09-30	1349