Quarter	US dollars
2004-12-31	230
2005-03-31	6
2005-06-30	2
2005-09-30	2
2005-12-31	24
2006-03-31	43
2006-06-30	2
2006-09-30	2
2006-12-31	65
2007-03-31	47
2007-06-30	2
2007-09-30	29
2007-12-31	16
2008-03-31	62
2008-06-30	60
2008-09-30	9
2008-12-31	65
2009-03-31	1
2009-06-30	30
2009-09-30	35
2009-12-31	65
2010-03-31	32
2010-06-30	3
2010-09-30	3
2010-12-31	44
2011-03-31	37
2011-06-30	101
2011-09-30	16
2011-12-31	15
2012-03-31	129
2012-06-30	136
2012-09-30	6
2012-12-31	2
2013-03-31	152
2013-06-30	224
2013-09-30	201
2013-12-31	116
2014-03-31	43
2014-06-30	92
2014-09-30	32
2014-12-31	150
2015-03-31	243
2015-06-30	71
2015-09-30	35
2015-12-31	215
2016-03-31	250
2016-06-30	64
2016-09-30	139
2016-12-31	235
2017-03-31	215
2017-06-30	127
2017-09-30	4
2017-12-31	63
2018-03-31	109
2018-06-30	118
2018-09-30	43
2018-12-31	60
2019-03-31	152
2019-06-30	90
2019-09-30	0
2019-12-31	59
2020-03-31	56
2020-06-30	124
2020-09-30	102
2020-12-31	482
2021-03-31	342
2021-06-30	189
2021-09-30	225
2021-12-31	322
2022-03-31	213
2022-06-30	36
2022-09-30	116
2022-12-31	263
2023-03-31	424
2023-06-30	102
2023-09-30	16