Quarter	US dollars
2004-12-31	2292
2005-03-31	2304
2005-06-30	2178
2005-09-30	3451
2005-12-31	1888
2006-03-31	2432
2006-06-30	1920
2006-09-30	2294
2006-12-31	1478
2007-03-31	1336
2007-06-30	1838
2007-09-30	1298
2007-12-31	1276
2008-03-31	1836
2008-06-30	2788
2008-09-30	2413
2008-12-31	1195
2009-03-31	914
2009-06-30	990
2009-09-30	1431
2009-12-31	1599
2010-03-31	1156
2010-06-30	1122
2010-09-30	1917
2010-12-31	2098
2011-03-31	2847
2011-06-30	2986
2011-09-30	2700
2011-12-31	2758
2012-03-31	3840
2012-06-30	4370
2012-09-30	3070
2012-12-31	3694
2013-03-31	3592
2013-06-30	4191
2013-09-30	4750
2013-12-31	4934
2014-03-31	5642
2014-06-30	5399
2014-09-30	4959
2014-12-31	6148
2015-03-31	6205
2015-06-30	5868
2015-09-30	4926
2015-12-31	4803
2016-03-31	4490
2016-06-30	5173
2016-09-30	3743
2016-12-31	2784
2017-03-31	3272
2017-06-30	4375
2017-09-30	4838
2017-12-31	5361
2018-03-31	6347
2018-06-30	6518
2018-09-30	6159
2018-12-31	5279
2019-03-31	6386
2019-06-30	5768
2019-09-30	5363
2019-12-31	4155
2020-03-31	6003
2020-06-30	4219
2020-09-30	4350
2020-12-31	4514
2021-03-31	5800
2021-06-30	5662
2021-09-30	4847
2021-12-31	6392
2022-03-31	7742
2022-06-30	6747
2022-09-30	7306
2022-12-31	7061
2023-03-31	6317
2023-06-30	6631
2023-09-30	7496