Quarter	US dollars
2004-12-31	440
2005-03-31	1824
2005-06-30	2242
2005-09-30	2192
2005-12-31	124
2006-03-31	97
2006-06-30	555
2006-09-30	476
2006-12-31	270
2007-03-31	431
2007-06-30	353
2007-09-30	295
2007-12-31	384
2008-03-31	505
2008-06-30	458
2008-09-30	266
2008-12-31	263
2009-03-31	641
2009-06-30	1900
2009-09-30	2405
2009-12-31	904
2010-03-31	2788
2010-06-30	3199
2010-09-30	3049
2010-12-31	1663
2011-03-31	3371
2011-06-30	2914
2011-09-30	375
2011-12-31	770
2012-03-31	734
2012-06-30	744
2012-09-30	987
2012-12-31	956
2013-03-31	199
2013-06-30	130
2013-09-30	204
2013-12-31	281
2014-03-31	270
2014-06-30	142
2014-09-30	295
2014-12-31	228
2015-03-31	493
2015-06-30	267
2015-09-30	444
2015-12-31	390
2016-03-31	283
2016-06-30	187
2016-09-30	199
2016-12-31	113
2017-03-31	219
2017-06-30	277
2017-09-30	121
2017-12-31	150
2018-03-31	97
2018-06-30	151
2018-09-30	151
2018-12-31	331
2019-03-31	345
2019-06-30	277
2019-09-30	195
2019-12-31	118
2020-03-31	341
2020-06-30	431
2020-09-30	52
2020-12-31	12
2021-03-31	1
2021-06-30	3
2021-09-30	15
2021-12-31	206
2022-03-31	11
2022-06-30	529
2022-09-30	159
2022-12-31	-7
2023-03-31	189
2023-06-30	35
2023-09-30	134