Quarter	US dollars
2004-12-31	520
2005-03-31	582
2005-06-30	597
2005-09-30	700
2005-12-31	699
2006-03-31	718
2006-06-30	832
2006-09-30	973
2006-12-31	1018
2007-03-31	1002
2007-06-30	1108
2007-09-30	1098
2007-12-31	1157
2008-03-31	1854
2008-06-30	1252
2008-09-30	1206
2008-12-31	1008
2009-03-31	1036
2009-06-30	998
2009-09-30	1246
2009-12-31	1132
2010-03-31	1236
2010-06-30	1541
2010-09-30	1883
2010-12-31	1664
2011-03-31	1811
2011-06-30	689
2011-09-30	703
2011-12-31	597
2012-03-31	647
2012-06-30	671
2012-09-30	670
2012-12-31	542
2013-03-31	621
2013-06-30	558
2013-09-30	416
2013-12-31	474
2014-03-31	522
2014-06-30	725
2014-09-30	647
2014-12-31	1125
2015-03-31	958
2015-06-30	1071
2015-09-30	897
2015-12-31	880
2016-03-31	1147
2016-06-30	544
2016-09-30	738
2016-12-31	914
2017-03-31	723
2017-06-30	1230
2017-09-30	1097
2017-12-31	1183
2018-03-31	1464
2018-06-30	1318
2018-09-30	1103
2018-12-31	1023
2019-03-31	1624
2019-06-30	1073
2019-09-30	801
2019-12-31	943
2020-03-31	1027
2020-06-30	859
2020-09-30	738
2020-12-31	730
2021-03-31	719
2021-06-30	981
2021-09-30	1063
2021-12-31	860
2022-03-31	903
2022-06-30	873
2022-09-30	755
2022-12-31	854
2023-03-31	945
2023-06-30	737
2023-09-30	476