Quarter	US dollars
2004-12-31	649
2005-03-31	166
2005-06-30	588
2005-09-30	999
2005-12-31	1181
2006-03-31	999
2006-06-30	969
2006-09-30	1272
2006-12-31	1049
2007-03-31	1804
2007-06-30	2197
2007-09-30	3908
2007-12-31	2164
2008-03-31	503
2008-06-30	987
2008-09-30	5494
2008-12-31	788
2009-03-31	2340
2009-06-30	2966
2009-09-30	4612
2009-12-31	1505
2010-03-31	3372
2010-06-30	2609
2010-09-30	3961
2010-12-31	1587
2011-03-31	3474
2011-06-30	1252
2011-09-30	3871
2011-12-31	1374
2012-03-31	2044
2012-06-30	2485
2012-09-30	1474
2012-12-31	3204
2013-03-31	2525
2013-06-30	3485
2013-09-30	2983
2013-12-31	3031
2014-03-31	2568
2014-06-30	2346
2014-09-30	1506
2014-12-31	2809
2015-03-31	3969
2015-06-30	3289
2015-09-30	2561
2015-12-31	3602
2016-03-31	3464
2016-06-30	2711
2016-09-30	2906
2016-12-31	3022
2017-03-31	2418
2017-06-30	3201
2017-09-30	3416
2017-12-31	3291
2018-03-31	3308
2018-06-30	2965
2018-09-30	2484
2018-12-31	3056
2019-03-31	2284
2019-06-30	2707
2019-09-30	2622
2019-12-31	2785
2020-03-31	2395
2020-06-30	2260
2020-09-30	3006
2020-12-31	3961
2021-03-31	2468
2021-06-30	2717
2021-09-30	2303
2021-12-31	3105
2022-03-31	2126
2022-06-30	1918
2022-09-30	2274
2022-12-31	3320
2023-03-31	2040
2023-06-30	2540
2023-09-30	2235