Quarter	US dollars
2004-12-31	893
2005-03-31	716
2005-06-30	1092
2005-09-30	623
2005-12-31	664
2006-03-31	663
2006-06-30	642
2006-09-30	753
2006-12-31	812
2007-03-31	2124
2007-06-30	2235
2007-09-30	2822
2007-12-31	3114
2008-03-31	4132
2008-06-30	2933
2008-09-30	1903
2008-12-31	2290
2009-03-31	1969
2009-06-30	1976
2009-09-30	1772
2009-12-31	1696
2010-03-31	1474
2010-06-30	1239
2010-09-30	1180
2010-12-31	891
2011-03-31	1074
2011-06-30	1089
2011-09-30	1178
2011-12-31	1167
2012-03-31	1513
2012-06-30	1611
2012-09-30	1256
2012-12-31	1112
2013-03-31	921
2013-06-30	760
2013-09-30	926
2013-12-31	894
2014-03-31	892
2014-06-30	1139
2014-09-30	796
2014-12-31	489
2015-03-31	275
2015-06-30	239
2015-09-30	224
2015-12-31	255
2016-03-31	359
2016-06-30	1237
2016-09-30	1220
2016-12-31	1120
2017-03-31	1183
2017-06-30	1154
2017-09-30	1017
2017-12-31	861
2018-03-31	961
2018-06-30	1246
2018-09-30	1198
2018-12-31	1211
2019-03-31	678
2019-06-30	223
2019-09-30	237
2019-12-31	292
2020-03-31	438
2020-06-30	456
2020-09-30	468
2020-12-31	274
2021-03-31	265
2021-06-30	392
2021-09-30	511
2021-12-31	348
2022-03-31	357
2022-06-30	331
2022-09-30	593
2022-12-31	408
2023-03-31	460
2023-06-30	468
2023-09-30	574