Quarter	US dollars
2004-12-31	90
2005-03-31	59
2005-06-30	48
2005-09-30	55
2005-12-31	50
2006-03-31	38
2006-06-30	46
2006-09-30	49
2006-12-31	43
2007-03-31	35
2007-06-30	44
2007-09-30	41
2007-12-31	197
2008-03-31	64
2008-06-30	76
2008-09-30	43
2008-12-31	60
2009-03-31	33
2009-06-30	38
2009-09-30	48
2009-12-31	45
2010-03-31	24
2010-06-30	60
2010-09-30	43
2010-12-31	42
2011-03-31	27
2011-06-30	37
2011-09-30	37
2011-12-31	31
2012-03-31	24
2012-06-30	22
2012-09-30	19
2012-12-31	212
2013-03-31	223
2013-06-30	214
2013-09-30	202
2013-12-31	246
2014-03-31	225
2014-06-30	339
2014-09-30	331
2014-12-31	323
2015-03-31	319
2015-06-30	308
2015-09-30	324
2015-12-31	308
2016-03-31	252
2016-06-30	271
2016-09-30	279
2016-12-31	245
2017-03-31	204
2017-06-30	57
2017-09-30	64
2017-12-31	112
2018-03-31	55
2018-06-30	118
2018-09-30	167
2018-12-31	47
2019-03-31	39
2019-06-30	41
2019-09-30	42
2019-12-31	38
2020-03-31	38
2020-06-30	32
2020-09-30	35
2020-12-31	35
2021-03-31	32
2021-06-30	51
2021-09-30	27
2021-12-31	30
2022-03-31	34
2022-06-30	22
2022-09-30	17
2022-12-31	58
2023-03-31	25
2023-06-30	43
2023-09-30	64