Quarter	US dollars
2004-12-31	154
2005-03-31	155
2005-06-30	242
2005-09-30	193
2005-12-31	191
2006-03-31	245
2006-06-30	157
2006-09-30	189
2006-12-31	202
2007-03-31	192
2007-06-30	233
2007-09-30	234
2007-12-31	217
2008-03-31	268
2008-06-30	326
2008-09-30	257
2008-12-31	671
2009-03-31	774
2009-06-30	646
2009-09-30	592
2009-12-31	794
2010-03-31	786
2010-06-30	998
2010-09-30	1054
2010-12-31	1173
2011-03-31	438
2011-06-30	356
2011-09-30	421
2011-12-31	430
2012-03-31	579
2012-06-30	560
2012-09-30	525
2012-12-31	614
2013-03-31	908
2013-06-30	922
2013-09-30	942
2013-12-31	955
2014-03-31	1035
2014-06-30	1164
2014-09-30	1167
2014-12-31	1103
2015-03-31	1155
2015-06-30	977
2015-09-30	932
2015-12-31	940
2016-03-31	917
2016-06-30	1120
2016-09-30	1090
2016-12-31	792
2017-03-31	815
2017-06-30	1030
2017-09-30	1033
2017-12-31	1096
2018-03-31	1023
2018-06-30	965
2018-09-30	1038
2018-12-31	1020
2019-03-31	1045
2019-06-30	1053
2019-09-30	1141
2019-12-31	1127
2020-03-31	1331
2020-06-30	1148
2020-09-30	1186
2020-12-31	1493
2021-03-31	1375
2021-06-30	1284
2021-09-30	1288
2021-12-31	1330
2022-03-31	1433
2022-06-30	1150
2022-09-30	1000
2022-12-31	974
2023-03-31	1231
2023-06-30	851
2023-09-30	760