Quarter	US dollars
2004-12-31	1056
2005-03-31	941
2005-06-30	955
2005-09-30	964
2005-12-31	1057
2006-03-31	1079
2006-06-30	1032
2006-09-30	1007
2006-12-31	1033
2007-03-31	1332
2007-06-30	1304
2007-09-30	1718
2007-12-31	1617
2008-03-31	3426
2008-06-30	1920
2008-09-30	2160
2008-12-31	1895
2009-03-31	2292
2009-06-30	2121
2009-09-30	1977
2009-12-31	2009
2010-03-31	2248
2010-06-30	2116
2010-09-30	2344
2010-12-31	2361
2011-03-31	2388
2011-06-30	2548
2011-09-30	2493
2011-12-31	2441
2012-03-31	2670
2012-06-30	5722
2012-09-30	5715
2013-06-30	6535
2014-03-31	5667
2014-06-30	5726
2014-09-30	5293
2014-12-31	5496
2015-03-31	5713
2015-06-30	5985
2015-09-30	5333
2015-12-31	4982
2016-03-31	4978
2016-06-30	5051
2016-09-30	4946
2016-12-31	5091
2017-03-31	4839
2017-06-30	5358
2017-09-30	5429
2017-12-31	5553
2018-03-31	5313
2018-06-30	5397
2018-09-30	4999
2018-12-31	5169
2019-03-31	4858
2019-06-30	5252
2019-09-30	5493
2019-12-31	5432
2020-03-31	5280
2020-06-30	5285
2020-09-30	5466
2020-12-31	5270
2021-03-31	5539
2021-06-30	5505
2021-09-30	5562
2021-12-31	5625
2022-03-31	5720
2022-06-30	5540
2022-09-30	5575
2022-12-31	4597
2023-03-31	5348
2023-06-30	4992
2023-09-30	379