Quarter	US dollars
2004-12-31	92
2005-03-31	176
2005-06-30	206
2005-09-30	246
2005-12-31	156
2006-03-31	88
2006-06-30	81
2006-09-30	88
2006-12-31	164
2007-03-31	73
2007-06-30	277
2007-09-30	153
2007-12-31	159
2008-03-31	459
2008-06-30	418
2008-09-30	880
2008-12-31	622
2009-03-31	613
2009-06-30	267
2009-09-30	213
2009-12-31	334
2010-03-31	173
2010-06-30	206
2010-09-30	221
2010-12-31	269
2011-03-31	587
2011-06-30	188
2011-09-30	248
2011-12-31	402
2012-03-31	390
2012-06-30	389
2012-09-30	405
2012-12-31	121
2013-03-31	270
2013-06-30	297
2013-09-30	245
2013-12-31	137
2014-03-31	217
2014-06-30	150
2014-09-30	305
2014-12-31	83
2015-03-31	196
2015-06-30	209
2015-09-30	189
2015-12-31	286
2016-03-31	106
2016-06-30	256
2016-09-30	209
2016-12-31	383
2017-03-31	146
2017-06-30	281
2017-09-30	188
2017-12-31	265
2018-03-31	248
2018-06-30	359
2018-09-30	222
2018-12-31	193
2019-03-31	137
2019-06-30	131
2019-09-30	129
2019-12-31	53
2020-03-31	29
2020-06-30	15
2020-09-30	-1
2020-12-31	53
2021-03-31	6
2021-06-30	18
2021-09-30	15
2021-12-31	9
2022-03-31	104
2022-06-30	122
2022-09-30	235
2022-12-31	202
2023-03-31	165
2023-06-30	114
2023-09-30	48