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
2006-12-31	1104
2007-03-31	1136
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
2009-06-30	784
2009-09-30	517
2009-12-31	639
2010-03-31	620
2010-06-30	657
2010-09-30	706
2010-12-31	722
2011-03-31	697
2011-06-30	742
2011-09-30	830
2011-12-31	951
2012-03-31	881
2012-06-30	916
2012-09-30	993
2012-12-31	923
2013-03-31	607
2013-06-30	587
2013-09-30	818
2013-12-31	816
2014-03-31	835
2014-06-30	1034
2014-09-30	965
2014-12-31	832
2015-03-31	766
2015-06-30	703
2015-09-30	679
2015-12-31	633
2016-03-31	627
2016-06-30	465
2016-09-30	323
2016-12-31	335
2017-03-31	273
2017-06-30	222
2017-09-30	244
2017-12-31	285
2018-03-31	282
2018-06-30	181
2018-09-30	160
2018-12-31	134
2019-03-31	126
2019-06-30	118
2019-09-30	171
2019-12-31	232
2020-03-31	212
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	121