Quarter	US dollars
2004-12-31	36
2005-03-31	34
2005-06-30	27
2005-09-30	658
2005-12-31	1250
2006-03-31	1365
2006-06-30	1298
2006-09-30	1515
2006-12-31	1705
2007-03-31	1814
2007-06-30	1786
2007-09-30	1819
2007-12-31	2236
2008-03-31	2697
2008-06-30	2299
2008-09-30	2005
2008-12-31	2050
2009-03-31	2102
2009-06-30	2345
2009-09-30	3008
2009-12-31	2776
2010-03-31	2675
2010-06-30	2832
2010-09-30	3175
2010-12-31	3326
2011-03-31	3432
2011-06-30	3413
2011-09-30	3211
2011-12-31	3032
2012-03-31	4906
2012-06-30	5247
2012-09-30	5310
2012-12-31	6377
2013-03-31	11902
2013-06-30	12595
2013-09-30	11906
2013-12-31	10852
2014-03-31	11031
2014-06-30	10499
2014-09-30	11703
2014-12-31	11544
2015-03-31	11371
2015-06-30	12357
2015-09-30	11845
2015-12-31	10781
2016-03-31	12405
2016-06-30	10716
2016-09-30	11063
2016-12-31	8968
2017-03-31	11328
2017-06-30	8108
2017-09-30	7685
2017-12-31	7713
2018-03-31	7363
2018-06-30	7769
2018-09-30	8400
2018-12-31	7540
2019-03-31	8483
2019-06-30	9326
2019-09-30	9388
2019-12-31	9030
2020-03-31	9942
2020-06-30	8370
2020-09-30	7926
2020-12-31	6986
2021-03-31	7189
2021-06-30	7006
2021-09-30	6557
2021-12-31	6699
2022-03-31	7492
2022-06-30	6660
2022-09-30	7176
2022-12-31	6598
2023-03-31	7203
2023-06-30	4941
2023-09-30	5388