Quarter	US dollars
2004-12-31	17
2005-03-31	36
2005-06-30	39
2005-09-30	60
2005-12-31	43
2006-03-31	16
2006-06-30	17
2006-09-30	52
2006-12-31	106
2007-03-31	108
2007-06-30	132
2007-09-30	149
2007-12-31	106
2008-03-31	177
2008-06-30	141
2008-09-30	331
2008-12-31	342
2009-03-31	76
2009-06-30	122
2009-09-30	64
2009-12-31	118
2010-03-31	74
2010-06-30	172
2010-09-30	251
2010-12-31	116
2011-03-31	248
2011-06-30	74
2011-09-30	2754
2011-12-31	340
2012-03-31	312
2012-06-30	304
2012-09-30	63
2012-12-31	55
2013-03-31	304
2013-06-30	322
2013-09-30	316
2013-12-31	38
2014-03-31	45
2014-06-30	43
2014-09-30	41
2014-12-31	36
2015-03-31	123
2015-06-30	173
2015-09-30	148
2015-12-31	163
2016-03-31	167
2016-06-30	99
2016-09-30	87
2016-12-31	73
2017-03-31	88
2017-06-30	94
2017-09-30	78
2017-12-31	424
2018-03-31	987
2018-06-30	738
2018-09-30	921
2018-12-31	738
2019-03-31	496
2019-06-30	129
2019-09-30	145
2019-12-31	284
2020-03-31	339
2020-06-30	225
2020-09-30	151
2020-12-31	141
2021-03-31	143
2021-06-30	130
2021-09-30	162
2021-12-31	164
2022-03-31	158
2022-06-30	180
2022-09-30	858
2022-12-31	463
2023-03-31	1001
2023-06-30	633
2023-09-30	582