Quarter	US dollars
2004-12-31	12
2005-03-31	263
2005-06-30	269
2005-09-30	85
2005-12-31	70
2006-03-31	36
2006-06-30	18
2006-09-30	22
2006-12-31	106
2007-03-31	178
2007-06-30	74
2007-09-30	273
2007-12-31	133
2008-03-31	-141
2008-06-30	-199
2008-09-30	112
2008-12-31	85
2009-03-31	546
2009-06-30	468
2009-09-30	528
2009-12-31	478
2010-03-31	50
2010-06-30	31
2010-09-30	49
2010-12-31	69
2011-03-31	672
2011-06-30	22
2011-09-30	14
2011-12-31	26
2012-03-31	27
2012-06-30	17
2012-09-30	71
2012-12-31	124
2013-03-31	128
2013-06-30	115
2013-09-30	34
2013-12-31	46
2014-03-31	58
2014-06-30	36
2014-09-30	52
2014-12-31	89
2015-03-31	67
2015-06-30	79
2015-09-30	51
2015-12-31	65
2016-03-31	86
2016-06-30	81
2016-09-30	120
2016-12-31	36
2017-03-31	28
2017-06-30	49
2017-09-30	162
2017-12-31	120
2018-03-31	93
2018-06-30	205
2018-09-30	123
2018-12-31	64
2019-03-31	16
2019-06-30	61
2019-09-30	99
2019-12-31	4
2020-03-31	52
2020-06-30	48
2020-09-30	39
2020-12-31	93
2021-03-31	177
2021-06-30	283
2021-09-30	241
2021-12-31	275
2022-03-31	192
2022-06-30	109
2022-09-30	61
2022-12-31	91
2023-03-31	125
2023-06-30	325
2023-09-30	287