Quarter	US dollars
2004-12-31	941
2005-03-31	1140
2005-06-30	1043
2005-09-30	462
2005-12-31	1002
2006-03-31	716
2006-06-30	786
2006-09-30	710
2006-12-31	544
2007-03-31	586
2007-06-30	720
2007-09-30	1275
2007-12-31	2409
2008-03-31	1336
2008-06-30	1180
2008-09-30	1461
2008-12-31	1140
2009-03-31	1493
2009-06-30	1948
2009-09-30	1700
2009-12-31	643
2010-03-31	678
2010-06-30	3904
2010-09-30	4739
2010-12-31	4898
2011-03-31	4605
2011-06-30	5136
2011-09-30	5270
2011-12-31	3530
2012-03-31	2902
2012-06-30	2797
2012-09-30	2736
2012-12-31	1523
2013-03-31	1345
2013-06-30	1403
2013-09-30	2502
2013-12-31	1843
2014-03-31	1386
2014-06-30	2402
2014-09-30	3388
2014-12-31	2819
2015-03-31	3223
2015-06-30	2778
2015-09-30	1971
2015-12-31	2020
2016-03-31	1697
2016-06-30	1218
2016-09-30	1473
2016-12-31	1252
2017-03-31	1113
2017-06-30	2299
2017-09-30	2140
2017-12-31	3540
2018-03-31	3077
2018-06-30	3146
2018-09-30	3069
2018-12-31	2946
2019-03-31	2507
2019-06-30	3537
2019-09-30	4168
2019-12-31	4189
2020-03-31	3164
2020-06-30	4575
2020-09-30	3475
2020-12-31	4830
2021-03-31	4783
2021-06-30	3865
2021-09-30	3101
2021-12-31	3844
2022-03-31	4888
2022-06-30	3921
2022-09-30	2782
2022-12-31	5564
2023-03-31	3345
2023-06-30	2717
2023-09-30	3713