Quarter	US dollars
2004-12-31	626
2005-03-31	726
2005-06-30	819
2005-09-30	890
2005-12-31	905
2006-03-31	1018
2006-06-30	1041
2006-09-30	1097
2006-12-31	1331
2007-03-31	2148
2007-06-30	2418
2007-09-30	2732
2007-12-31	3183
2008-03-31	4440
2008-06-30	3753
2008-09-30	3482
2008-12-31	2691
2009-03-31	2390
2009-06-30	2202
2009-09-30	2265
2009-12-31	2380
2010-03-31	2484
2010-06-30	3073
2010-09-30	2625
2010-12-31	3095
2011-03-31	3403
2011-06-30	3574
2011-09-30	3826
2011-12-31	4102
2012-03-31	4563
2012-06-30	4798
2012-09-30	4598
2012-12-31	4807
2013-03-31	4867
2013-06-30	4919
2013-09-30	4712
2013-12-31	4770
2014-03-31	4952
2014-06-30	5256
2014-09-30	6049
2014-12-31	5560
2015-03-31	5643
2015-06-30	5678
2015-09-30	4965
2015-12-31	4340
2016-03-31	4344
2016-06-30	4328
2016-09-30	4783
2016-12-31	4744
2017-03-31	5018
2017-06-30	5591
2017-09-30	5745
2017-12-31	6236
2018-03-31	6539
2018-06-30	6502
2018-09-30	6549
2018-12-31	6733
2019-03-31	6993
2019-06-30	6853
2019-09-30	7162
2019-12-31	7069
2020-03-31	7248
2020-06-30	7020
2020-09-30	6979
2020-12-31	7527
2021-03-31	8160
2021-06-30	9400
2021-09-30	9549
2021-12-31	8598
2022-03-31	8953
2022-06-30	8789
2022-09-30	8979
2022-12-31	8475
2023-03-31	8448
2023-06-30	8071
2023-09-30	7814