Quarter	US dollars
2004-12-31	365
2005-03-31	473
2005-06-30	579
2005-09-30	276
2005-12-31	249
2006-03-31	258
2006-06-30	301
2006-09-30	415
2006-12-31	337
2007-03-31	343
2007-06-30	355
2007-09-30	407
2007-12-31	406
2008-03-31	485
2008-06-30	643
2008-09-30	626
2008-12-31	576
2009-03-31	552
2009-06-30	627
2009-09-30	614
2009-12-31	578
2010-03-31	522
2010-06-30	232
2010-09-30	219
2010-12-31	225
2011-03-31	314
2011-06-30	356
2011-09-30	522
2011-12-31	530
2012-03-31	497
2012-06-30	475
2012-09-30	824
2012-12-31	873
2013-03-31	1128
2013-06-30	1282
2013-09-30	1168
2013-12-31	899
2014-03-31	880
2014-06-30	922
2014-09-30	934
2014-12-31	994
2015-03-31	943
2015-06-30	936
2015-09-30	871
2015-12-31	935
2016-03-31	884
2016-06-30	845
2016-09-30	889
2016-12-31	931
2017-03-31	909
2017-06-30	900
2017-09-30	912
2017-12-31	898
2018-03-31	870
2018-06-30	825
2018-09-30	825
2018-12-31	818
2019-03-31	788
2019-06-30	784
2019-09-30	737
2019-12-31	766
2020-03-31	745
2020-06-30	767
2020-09-30	765
2020-12-31	771
2021-03-31	779
2021-06-30	858
2021-09-30	765
2021-12-31	850
2022-03-31	892
2022-06-30	807
2022-09-30	847
2022-12-31	976
2023-03-31	980
2023-06-30	1041
2023-09-30	1069