Quarter	US dollars
2004-12-31	232
2005-03-31	227
2005-06-30	253
2005-09-30	237
2005-12-31	223
2006-03-31	250
2006-06-30	276
2006-09-30	247
2006-12-31	198
2007-03-31	200
2007-06-30	215
2007-09-30	238
2007-12-31	275
2008-03-31	356
2008-06-30	352
2008-09-30	408
2008-12-31	371
2009-03-31	357
2009-06-30	326
2009-09-30	430
2009-12-31	271
2010-03-31	422
2010-06-30	326
2010-09-30	469
2010-12-31	549
2011-03-31	766
2011-06-30	679
2011-09-30	749
2011-12-31	751
2012-03-31	705
2012-06-30	679
2012-09-30	945
2012-12-31	933
2013-03-31	836
2013-06-30	972
2013-09-30	1169
2013-12-31	1050
2014-03-31	757
2014-06-30	710
2014-09-30	841
2014-12-31	802
2015-03-31	1008
2015-06-30	799
2015-09-30	800
2015-12-31	812
2016-03-31	775
2016-06-30	728
2016-09-30	699
2016-12-31	588
2017-03-31	577
2017-06-30	1765
2017-09-30	2086
2017-12-31	2094
2018-03-31	2255
2018-06-30	2326
2018-09-30	2446
2018-12-31	2083
2019-03-31	2133
2019-06-30	2162
2019-09-30	2531
2019-12-31	2170
2020-03-31	2185
2020-06-30	2458
2020-09-30	2636
2020-12-31	2510
2021-03-31	2653
2021-06-30	2841
2021-09-30	3291
2021-12-31	3468
2022-03-31	3821
2022-06-30	3528
2022-09-30	4051
2022-12-31	3609
2023-03-31	3504
2023-06-30	3082
2023-09-30	2841