Quarter	US dollars
2004-12-31	1400
2005-03-31	1374
2005-06-30	756
2005-09-30	692
2005-12-31	980
2006-03-31	2211
2006-06-30	2351
2006-09-30	2062
2006-12-31	3010
2007-03-31	2840
2007-06-30	3218
2007-09-30	3248
2007-12-31	3209
2008-03-31	3194
2008-06-30	3457
2008-09-30	3406
2008-12-31	2904
2009-03-31	1674
2009-06-30	1902
2009-09-30	2426
2009-12-31	2503
2010-03-31	2639
2010-06-30	2334
2010-09-30	2686
2010-12-31	2001
2011-03-31	2138
2011-06-30	2277
2011-09-30	2348
2011-12-31	1851
2012-03-31	1875
2012-06-30	1733
2012-09-30	2111
2012-12-31	4854
2013-03-31	4475
2013-06-30	4398
2013-09-30	4717
2013-12-31	4532
2014-03-31	4834
2014-06-30	4936
2014-09-30	4410
2014-12-31	4322
2015-03-31	855
2015-06-30	780
2015-09-30	813
2015-12-31	725
2016-03-31	644
2016-06-30	645
2016-09-30	676
2016-12-31	588
2017-03-31	547
2017-06-30	544
2017-09-30	525
2017-12-31	1085
2018-03-31	1597
2018-06-30	1459
2018-09-30	1428
2018-12-31	1458
2019-03-31	1622
2019-06-30	1634
2019-09-30	1599
2019-12-31	1840
2020-03-31	1466
2020-06-30	1824
2020-09-30	1798
2020-12-31	1706
2021-03-31	1635
2021-06-30	1340
2021-09-30	1463
2021-12-31	1274
2022-03-31	1289
2022-06-30	1126
2022-09-30	1244
2022-12-31	1405
2023-03-31	1091
2023-06-30	1300
2023-09-30	1014