Quarter	US dollars
2004-12-31	154
2005-03-31	637
2005-06-30	136
2005-09-30	50
2005-12-31	103
2006-03-31	125
2006-06-30	120
2006-09-30	116
2006-12-31	215
2007-03-31	106
2007-06-30	110
2007-09-30	108
2007-12-31	189
2008-03-31	197
2008-06-30	336
2008-09-30	533
2008-12-31	533
2009-03-31	552
2009-06-30	631
2009-09-30	601
2009-12-31	635
2010-03-31	639
2010-06-30	636
2010-09-30	641
2010-12-31	825
2011-03-31	787
2011-06-30	796
2011-09-30	774
2011-12-31	543
2012-03-31	503
2012-06-30	601
2012-09-30	596
2012-12-31	768
2013-03-31	669
2013-06-30	667
2013-09-30	1051
2013-12-31	1258
2014-03-31	1284
2014-06-30	1219
2014-09-30	850
2014-12-31	818
2015-03-31	812
2015-06-30	780
2015-09-30	701
2015-12-31	671
2016-03-31	587
2016-06-30	799
2016-09-30	757
2016-12-31	726
2017-03-31	713
2017-06-30	369
2017-09-30	360
2017-12-31	362
2018-03-31	375
2018-06-30	333
2018-09-30	325
2018-12-31	291
2019-03-31	305
2019-06-30	289
2019-09-30	299
2019-12-31	357
2020-03-31	77
2020-06-30	78
2020-09-30	85
2020-12-31	87
2021-03-31	137
2021-06-30	142
2021-09-30	136
2021-12-31	135
2022-03-31	138
2022-06-30	142
2022-09-30	116
2022-12-31	109
2023-03-31	108
2023-06-30	134
2023-09-30	154