Quarter	US dollars
2004-12-31	618
2005-03-31	588
2005-06-30	561
2005-09-30	559
2005-12-31	534
2006-03-31	519
2006-06-30	596
2006-09-30	476
2006-12-31	497
2007-03-31	632
2007-06-30	851
2007-09-30	925
2007-12-31	709
2008-03-31	676
2008-06-30	695
2008-09-30	750
2008-12-31	526
2009-03-31	490
2009-06-30	479
2009-09-30	417
2009-12-31	321
2010-03-31	306
2010-06-30	771
2010-09-30	652
2010-12-31	297
2011-03-31	345
2011-06-30	348
2011-09-30	421
2011-12-31	377
2012-03-31	1483
2012-06-30	1087
2012-09-30	1122
2012-12-31	1106
2013-03-31	1064
2013-06-30	1054
2013-09-30	1127
2013-12-31	1405
2014-03-31	1437
2014-06-30	1417
2014-09-30	1376
2014-12-31	1397
2015-03-31	1394
2015-06-30	1763
2015-09-30	1760
2015-12-31	2721
2016-03-31	3208
2016-06-30	5509
2016-09-30	6496
2016-12-31	6172
2017-03-31	4474
2017-06-30	1205
2017-09-30	1120
2017-12-31	1069
2018-03-31	1055
2018-06-30	1100
2018-09-30	972
2018-12-31	738
2019-03-31	693
2019-06-30	491
2019-09-30	549
2019-12-31	559
2020-03-31	635
2020-06-30	644
2020-09-30	593
2020-12-31	587
2021-03-31	497
2021-06-30	404
2021-09-30	742
2021-12-31	706
2022-03-31	728
2022-06-30	684
2022-09-30	405
2022-12-31	959
2023-03-31	703
2023-06-30	764
2023-09-30	689