Quarter	US dollars
2004-12-31	46
2005-03-31	55
2005-06-30	73
2005-09-30	65
2005-12-31	65
2006-03-31	75
2006-06-30	70
2006-09-30	239
2006-12-31	389
2007-03-31	124
2007-06-30	112
2007-09-30	177
2007-12-31	297
2008-03-31	320
2008-06-30	484
2008-09-30	351
2008-12-31	197
2009-03-31	394
2009-06-30	565
2009-09-30	443
2009-12-31	723
2010-03-31	476
2010-06-30	554
2010-09-30	885
2010-12-31	493
2011-03-31	595
2011-06-30	772
2011-09-30	466
2011-12-31	448
2012-03-31	762
2012-06-30	905
2012-09-30	1227
2012-12-31	749
2013-03-31	921
2013-06-30	1078
2013-09-30	975
2013-12-31	1054
2014-03-31	3365
2014-06-30	3255
2014-09-30	3323
2014-12-31	2656
2015-03-31	2527
2015-06-30	2375
2015-09-30	1646
2015-12-31	876
2016-03-31	480
2016-06-30	330
2016-09-30	768
2016-12-31	359
2017-03-31	431
2017-06-30	470
2017-09-30	386
2017-12-31	381
2018-03-31	559
2018-06-30	508
2018-09-30	523
2018-12-31	426
2019-03-31	519
2019-06-30	995
2019-09-30	637
2019-12-31	342
2020-03-31	356
2020-06-30	277
2020-09-30	752
2020-12-31	302
2021-03-31	661
2021-06-30	586
2021-09-30	233
2021-12-31	230
2022-03-31	563
2022-06-30	299
2022-09-30	512
2022-12-31	333
2023-03-31	339
2023-06-30	255
2023-09-30	306