Quarter	US dollars
2004-12-31	207
2005-03-31	384
2005-06-30	194
2005-09-30	241
2005-12-31	1217
2006-03-31	1790
2006-06-30	1136
2006-09-30	1252
2006-12-31	1315
2007-03-31	2485
2007-06-30	2701
2007-09-30	3127
2007-12-31	3024
2008-03-31	2858
2008-06-30	3230
2008-09-30	2657
2008-12-31	2496
2009-03-31	2357
2009-06-30	2544
2009-09-30	2401
2009-12-31	1726
2010-03-31	1219
2010-06-30	2445
2010-09-30	2636
2010-12-31	1985
2011-03-31	2077
2011-06-30	2054
2011-09-30	2285
2011-12-31	2069
2012-03-31	2375
2012-06-30	2447
2012-09-30	1623
2012-12-31	1560
2013-03-31	1354
2013-06-30	1682
2013-09-30	1721
2013-12-31	1694
2014-03-31	2156
2014-06-30	2441
2014-09-30	1654
2014-12-31	1299
2015-03-31	1452
2015-06-30	1121
2015-09-30	1074
2015-12-31	1037
2016-03-31	1560
2016-06-30	1587
2016-09-30	1213
2016-12-31	567
2017-03-31	698
2017-06-30	746
2017-09-30	808
2017-12-31	1458
2018-03-31	1379
2018-06-30	5448
2018-09-30	1257
2018-12-31	1119
2019-03-31	1969
2019-06-30	489
2019-09-30	536
2019-12-31	785
2020-03-31	577
2020-06-30	407
2020-09-30	408
2020-12-31	332
2021-03-31	367
2021-06-30	404
2021-09-30	413
2021-12-31	286
2022-03-31	1912
2022-06-30	1593
2022-09-30	1567
2022-12-31	1656
2023-03-31	1694
2023-06-30	1332
2023-09-30	981