Quarter	US dollars
2004-12-31	1338
2005-03-31	1102
2005-06-30	651
2005-09-30	845
2005-12-31	712
2006-03-31	2003
2006-06-30	758
2006-09-30	1016
2006-12-31	1274
2007-03-31	2644
2007-06-30	1928
2007-09-30	1946
2007-12-31	2017
2008-03-31	5040
2008-06-30	5067
2008-09-30	5009
2008-12-31	5706
2009-03-31	1555
2009-06-30	1255
2009-09-30	1679
2009-12-31	1250
2010-03-31	1323
2010-06-30	1432
2010-09-30	1711
2010-12-31	1345
2011-03-31	1731
2011-06-30	2131
2011-09-30	1750
2011-12-31	1396
2012-03-31	1350
2012-06-30	1299
2012-09-30	1218
2012-12-31	1612
2013-03-31	1186
2013-06-30	2358
2013-09-30	1462
2013-12-31	1635
2014-03-31	1577
2014-06-30	1961
2014-09-30	1678
2014-12-31	1328
2015-03-31	1167
2015-06-30	1306
2015-09-30	1354
2015-12-31	1354
2016-03-31	1290
2016-06-30	1461
2016-09-30	1882
2016-12-31	1743
2017-03-31	1837
2017-06-30	2697
2017-09-30	2247
2017-12-31	2366
2018-03-31	2610
2018-06-30	2749
2018-09-30	2055
2018-12-31	1476
2019-03-31	1788
2019-06-30	1349
2019-09-30	1332
2019-12-31	1112
2020-03-31	1213
2020-06-30	1393
2020-09-30	1211
2020-12-31	975
2021-03-31	977
2021-06-30	1165
2021-09-30	894
2021-12-31	877
2022-03-31	1206
2022-06-30	981
2022-09-30	819
2022-12-31	828
2023-03-31	738
2023-06-30	733
2023-09-30	1034