Quarter	US dollars
2004-12-31	188
2005-03-31	359
2005-06-30	348
2005-09-30	409
2005-12-31	391
2006-03-31	378
2006-06-30	473
2006-09-30	439
2006-12-31	460
2007-03-31	431
2007-06-30	514
2007-09-30	462
2007-12-31	534
2008-03-31	636
2008-06-30	762
2008-09-30	971
2008-12-31	914
2009-03-31	636
2009-06-30	876
2009-09-30	766
2009-12-31	824
2010-03-31	949
2010-06-30	1103
2010-09-30	1254
2010-12-31	1443
2011-03-31	1605
2011-06-30	1718
2011-09-30	1603
2011-12-31	1750
2012-03-31	1633
2012-06-30	1815
2012-09-30	2103
2012-12-31	2147
2013-03-31	2547
2013-06-30	3002
2013-09-30	2863
2013-12-31	3036
2014-03-31	3146
2014-06-30	3216
2014-09-30	3262
2014-12-31	3346
2015-03-31	3403
2015-06-30	3581
2015-09-30	3258
2015-12-31	3276
2016-03-31	3022
2016-06-30	3521
2016-09-30	3431
2016-12-31	3644
2017-03-31	2847
2017-06-30	4618
2017-09-30	4854
2017-12-31	4756
2018-03-31	5036
2018-06-30	5186
2018-09-30	5270
2018-12-31	4954
2019-03-31	4932
2019-06-30	5190
2019-09-30	5208
2019-12-31	5050
2020-03-31	5349
2020-06-30	5342
2020-09-30	5166
2020-12-31	5299
2021-03-31	5790
2021-06-30	6013
2021-09-30	6336
2021-12-31	6836
2022-03-31	7314
2022-06-30	7223
2022-09-30	7142
2022-12-31	6937
2023-03-31	6552
2023-06-30	6432
2023-09-30	6004