Quarter	US dollars
2004-12-31	413
2005-03-31	457
2005-06-30	455
2005-09-30	439
2005-12-31	470
2006-03-31	527
2006-06-30	564
2006-09-30	549
2006-12-31	548
2007-03-31	571
2007-06-30	700
2007-09-30	742
2007-12-31	729
2008-03-31	1751
2008-06-30	2052
2008-09-30	1798
2008-12-31	1370
2009-03-31	1267
2009-06-30	1316
2009-09-30	1404
2009-12-31	1305
2010-03-31	1445
2010-06-30	934
2010-09-30	1522
2010-12-31	1996
2011-03-31	1709
2011-06-30	1797
2011-09-30	1707
2011-12-31	1738
2012-03-31	1731
2012-06-30	1867
2012-09-30	1793
2012-12-31	1688
2013-03-31	3964
2013-06-30	2011
2013-09-30	2572
2013-12-31	2671
2014-03-31	2361
2014-06-30	1783
2014-09-30	1869
2014-12-31	1656
2015-03-31	1580
2015-06-30	1716
2015-09-30	1531
2015-12-31	1609
2016-03-31	1606
2016-06-30	1842
2016-09-30	1764
2016-12-31	1954
2017-03-31	1976
2017-06-30	1163
2017-09-30	1115
2017-12-31	1044
2018-03-31	1144
2018-06-30	1065
2018-09-30	927
2018-12-31	951
2019-03-31	787
2019-06-30	838
2019-09-30	839
2019-12-31	757
2020-03-31	599
2020-06-30	567
2020-09-30	521
2020-12-31	513
2021-03-31	437
2021-06-30	430
2021-09-30	577
2021-12-31	555
2022-03-31	529
2022-06-30	525
2022-09-30	557
2022-12-31	503
2023-03-31	441
2023-06-30	435
2023-09-30	441