Quarter	US dollars
2004-12-31	344
2005-03-31	423
2005-06-30	391
2005-09-30	400
2005-12-31	395
2006-03-31	425
2006-06-30	427
2006-09-30	484
2006-12-31	464
2007-03-31	510
2007-06-30	658
2007-09-30	943
2007-12-31	715
2008-03-31	682
2008-06-30	718
2008-09-30	711
2008-12-31	625
2009-03-31	563
2009-06-30	624
2009-09-30	552
2009-12-31	633
2010-03-31	578
2010-06-30	575
2010-09-30	580
2010-12-31	640
2011-03-31	681
2011-06-30	604
2011-09-30	623
2011-12-31	635
2012-03-31	845
2012-06-30	1092
2012-09-30	948
2012-12-31	1059
2013-03-31	779
2013-06-30	927
2013-09-30	907
2013-12-31	866
2014-03-31	860
2014-06-30	670
2014-09-30	850
2014-12-31	776
2015-03-31	628
2015-06-30	577
2015-09-30	557
2015-12-31	585
2016-03-31	640
2016-06-30	673
2016-09-30	624
2016-12-31	551
2017-03-31	718
2017-06-30	807
2017-09-30	904
2017-12-31	836
2018-03-31	890
2018-06-30	877
2018-09-30	875
2018-12-31	954
2019-03-31	851
2019-06-30	1017
2019-09-30	864
2019-12-31	750
2020-03-31	569
2020-06-30	365
2020-09-30	366
2020-12-31	254
2021-03-31	279
2021-06-30	242
2021-09-30	259
2021-12-31	226
2022-03-31	230
2022-06-30	228
2022-09-30	256
2022-12-31	272
2023-03-31	267
2023-06-30	544
2023-09-30	561