Quarter	US dollars
2004-12-31	313
2005-03-31	284
2005-06-30	353
2005-09-30	338
2005-12-31	371
2006-03-31	487
2006-06-30	518
2006-09-30	594
2006-12-31	562
2007-03-31	714
2007-06-30	831
2007-09-30	823
2007-12-31	868
2008-03-31	1041
2008-06-30	1817
2008-09-30	1620
2008-12-31	1560
2009-03-31	1450
2009-06-30	1560
2009-09-30	1774
2009-12-31	1458
2010-03-31	1535
2010-06-30	2871
2010-09-30	2866
2010-12-31	2533
2011-03-31	2937
2011-06-30	3351
2011-09-30	2653
2011-12-31	2390
2012-03-31	2915
2012-06-30	2754
2012-09-30	2637
2012-12-31	2757
2013-03-31	2514
2013-06-30	2677
2013-09-30	2792
2013-12-31	2628
2014-03-31	2349
2014-06-30	3428
2014-09-30	3098
2014-12-31	2780
2015-03-31	2528
2015-06-30	2627
2015-09-30	2131
2015-12-31	1600
2016-03-31	2070
2016-06-30	1985
2016-09-30	1656
2016-12-31	1475
2017-03-31	1540
2017-06-30	1613
2017-09-30	1969
2017-12-31	1677
2018-03-31	1960
2018-06-30	1941
2018-09-30	2046
2018-12-31	1763
2019-03-31	1775
2019-06-30	1998
2019-09-30	1859
2019-12-31	2067
2020-03-31	2035
2020-06-30	1841
2020-09-30	2055
2020-12-31	1785
2021-03-31	1882
2021-06-30	1787
2021-09-30	1835
2021-12-31	1672
2022-03-31	1599
2022-06-30	1578
2022-09-30	1451
2022-12-31	1346
2023-03-31	1345
2023-06-30	1378
2023-09-30	1306