Quarter	US dollars
2004-12-31	1288
2005-03-31	1331
2005-06-30	1219
2005-09-30	941
2005-12-31	706
2006-03-31	881
2006-06-30	747
2006-09-30	721
2007-03-31	1096
2007-06-30	620
2007-09-30	550
2007-12-31	888
2008-03-31	1145
2008-06-30	697
2008-09-30	695
2008-12-31	788
2009-03-31	729
2009-09-30	517
2009-12-31	633
2010-06-30	649
2011-03-31	692
2011-06-30	739
2014-12-31	818
2015-03-31	754
2015-06-30	692
2015-09-30	671
2015-12-31	624
2016-03-31	624
2016-06-30	462
2016-09-30	323
2016-12-31	332
2017-03-31	273
2017-06-30	221
2017-09-30	240
2017-12-31	277
2018-03-31	274
2018-06-30	170
2018-09-30	154
2018-12-31	126
2019-03-31	122
2019-06-30	113
2019-09-30	168
2019-12-31	231
2020-03-31	211
2020-06-30	250
2020-09-30	331
2020-12-31	262
2021-03-31	473
2021-06-30	391
2021-09-30	97
2021-12-31	174
2022-03-31	146
2022-06-30	274
2022-09-30	488
2022-12-31	554
2023-03-31	631
2023-06-30	639
2023-09-30	119