Quarter	US dollars
2004-12-31	424
2005-03-31	418
2005-06-30	529
2005-09-30	654
2005-12-31	731
2006-03-31	775
2006-06-30	719
2006-09-30	631
2006-12-31	1096
2007-03-31	2869
2007-06-30	2893
2007-09-30	2575
2007-12-31	2588
2008-03-31	1914
2008-06-30	854
2008-09-30	1419
2008-12-31	1285
2009-03-31	1502
2009-06-30	1650
2009-09-30	1681
2009-12-31	1489
2010-03-31	934
2010-06-30	797
2010-09-30	1583
2010-12-31	3157
2011-03-31	3140
2011-06-30	3096
2011-09-30	7830
2011-12-31	7573
2012-03-31	12869
2012-06-30	7296
2012-09-30	10511
2012-12-31	13578
2013-03-31	13036
2013-06-30	12138
2013-09-30	12055
2013-12-31	11132
2014-03-31	10426
2014-06-30	10551
2014-09-30	8469
2014-12-31	6594
2015-03-31	5493
2015-06-30	5113
2015-09-30	4546
2015-12-31	4109
2016-03-31	3804
2016-06-30	3371
2016-09-30	3354
2016-12-31	3035
2017-03-31	3233
2017-06-30	3258
2017-09-30	2947
2017-12-31	2810
2018-03-31	2227
2018-06-30	1807
2018-09-30	5240
2018-12-31	1373
2019-03-31	1835
2019-06-30	1914
2019-09-30	1799
2019-12-31	1679
2020-03-31	1607
2020-06-30	1498
2020-09-30	1463
2020-12-31	1600
2021-03-31	1146
2021-06-30	1517
2021-09-30	1584
2021-12-31	1694
2022-03-31	1382
2022-06-30	1384
2022-09-30	1583
2022-12-31	1471
2023-03-31	2078
2023-06-30	2857
2023-09-30	2904