Quarter	US dollars
2004-12-31	597
2005-03-31	828
2005-06-30	507
2005-09-30	700
2005-12-31	395
2006-03-31	727
2006-06-30	364
2006-09-30	631
2006-12-31	536
2007-03-31	718
2007-06-30	758
2007-09-30	939
2007-12-31	910
2008-03-31	1232
2008-06-30	1327
2008-09-30	1237
2008-12-31	594
2009-03-31	447
2009-06-30	532
2009-09-30	536
2009-12-31	693
2010-03-31	578
2010-06-30	672
2010-09-30	592
2010-12-31	808
2011-03-31	920
2011-06-30	862
2011-09-30	854
2011-12-31	722
2012-03-31	914
2012-06-30	643
2012-09-30	636
2012-12-31	660
2013-03-31	1093
2013-06-30	971
2013-09-30	1004
2013-12-31	902
2014-03-31	834
2014-06-30	723
2014-09-30	754
2014-12-31	730
2015-03-31	607
2015-06-30	722
2015-09-30	836
2015-12-31	694
2016-03-31	653
2016-06-30	611
2016-09-30	582
2016-12-31	554
2017-03-31	588
2017-06-30	485
2017-09-30	451
2017-12-31	520
2018-03-31	745
2018-06-30	663
2018-09-30	622
2018-12-31	730
2019-03-31	666
2019-06-30	732
2019-09-30	811
2019-12-31	819
2020-03-31	998
2020-06-30	1022
2020-09-30	1034
2020-12-31	1097
2021-03-31	1087
2021-06-30	1266
2021-09-30	1386
2021-12-31	1499
2022-03-31	1494
2022-06-30	1921
2022-09-30	1685
2022-12-31	1862
2023-03-31	1780
2023-06-30	1793
2023-09-30	1905