Quarter	US dollars
2004-12-31	36
2005-03-31	51
2005-06-30	81
2005-09-30	67
2005-12-31	76
2006-03-31	102
2006-06-30	250
2006-09-30	226
2006-12-31	262
2007-03-31	471
2007-06-30	486
2007-09-30	334
2007-12-31	163
2008-03-31	177
2008-06-30	306
2008-09-30	298
2008-12-31	145
2009-03-31	186
2009-06-30	105
2009-09-30	24
2009-12-31	26
2010-03-31	249
2010-06-30	174
2010-09-30	287
2010-12-31	279
2011-03-31	837
2011-06-30	604
2011-09-30	168
2011-12-31	135
2012-03-31	123
2012-06-30	119
2012-09-30	155
2012-12-31	192
2013-03-31	261
2013-06-30	152
2013-09-30	100
2013-12-31	56
2014-03-31	37
2014-06-30	99
2014-09-30	115
2014-12-31	165
2015-03-31	65
2015-06-30	57
2015-09-30	109
2015-12-31	101
2016-03-31	164
2016-06-30	118
2016-09-30	116
2016-12-31	127
2017-03-31	131
2017-06-30	134
2017-09-30	106
2017-12-31	97
2018-03-31	94
2018-06-30	67
2018-09-30	-1
2018-12-31	17
2019-03-31	25
2019-06-30	32
2019-09-30	76
2019-12-31	102
2020-03-31	51
2020-06-30	38
2020-09-30	52
2020-12-31	18
2021-03-31	34
2021-06-30	91
2021-09-30	70
2021-12-31	22
2022-03-31	21
2022-06-30	15
2022-09-30	25
2022-12-31	-12
2023-03-31	5
2023-06-30	18
2023-09-30	70