Quarter	US dollars
2004-12-31	432
2005-03-31	442
2005-06-30	407
2005-09-30	419
2005-12-31	541
2006-03-31	616
2006-06-30	793
2006-09-30	958
2006-12-31	746
2007-03-31	734
2007-06-30	738
2007-09-30	1057
2007-12-31	1111
2008-03-31	1246
2008-06-30	1445
2008-09-30	1599
2008-12-31	1428
2009-03-31	1525
2009-06-30	1512
2009-09-30	1548
2009-12-31	1327
2010-03-31	1236
2010-06-30	1411
2010-09-30	1178
2010-12-31	1332
2011-03-31	1398
2011-06-30	1509
2011-09-30	1750
2011-12-31	1719
2012-03-31	1843
2012-06-30	1906
2012-09-30	1993
2012-12-31	1935
2013-03-31	1885
2013-06-30	1861
2013-09-30	1995
2013-12-31	2066
2014-03-31	2579
2014-06-30	2831
2014-09-30	2777
2014-12-31	3094
2015-03-31	3265
2015-06-30	3630
2015-09-30	3248
2015-12-31	3451
2016-03-31	3097
2016-06-30	3160
2016-09-30	3284
2016-12-31	3637
2017-03-31	3712
2017-06-30	3950
2017-09-30	4156
2017-12-31	4119
2018-03-31	4447
2018-06-30	5044
2018-09-30	4837
2018-12-31	4370
2019-03-31	4441
2019-06-30	4695
2019-09-30	4958
2019-12-31	4490
2020-03-31	4791
2020-06-30	5432
2020-09-30	4990
2020-12-31	4122
2021-03-31	4310
2021-06-30	4960
2021-09-30	4852
2021-12-31	4628
2022-03-31	4272
2022-06-30	4158
2022-09-30	4328
2022-12-31	4823
2023-03-31	4426
2023-06-30	4405
2023-09-30	5053