Quarter	US dollars
2004-12-31	21
2005-03-31	91
2005-06-30	145
2005-09-30	348
2005-12-31	385
2006-03-31	448
2006-06-30	427
2006-09-30	2421
2006-12-31	1094
2007-03-31	922
2007-06-30	662
2007-09-30	344
2007-12-31	551
2008-03-31	1870
2008-06-30	2324
2008-09-30	1255
2008-12-31	1492
2009-03-31	1657
2009-06-30	1746
2009-09-30	1366
2009-12-31	2753
2010-03-31	2683
2010-06-30	2297
2010-09-30	2381
2010-12-31	2445
2011-03-31	2841
2011-06-30	2275
2011-09-30	2209
2011-12-31	1234
2012-03-31	1518
2012-06-30	1082
2012-09-30	993
2012-12-31	799
2013-03-31	462
2013-06-30	601
2013-09-30	4029
2013-12-31	5891
2014-03-31	1459
2014-06-30	1513
2014-09-30	1240
2014-12-31	1590
2015-03-31	2355
2015-06-30	2164
2015-09-30	2761
2015-12-31	2645
2016-03-31	2689
2016-06-30	2656
2016-09-30	3350
2016-12-31	3629
2017-03-31	2461
2017-06-30	2842
2017-09-30	3044
2017-12-31	2951
2018-03-31	4840
2018-06-30	3832
2018-09-30	3774
2018-12-31	3803
2019-03-31	3346
2019-06-30	2043
2019-09-30	1712
2019-12-31	3059
2020-03-31	2740
2020-06-30	2979
2020-09-30	3175
2020-12-31	3105
2021-03-31	3442
2021-06-30	3263
2021-09-30	3664
2021-12-31	3540
2022-03-31	3308
2022-06-30	3819
2022-09-30	4102
2022-12-31	3395
2023-03-31	4811
2023-06-30	5505
2023-09-30	6274