Quarter	US dollars
2004-12-31	129
2005-03-31	113
2005-06-30	140
2005-09-30	150
2005-12-31	184
2006-03-31	210
2006-06-30	207
2006-09-30	471
2006-12-31	405
2007-03-31	361
2007-06-30	433
2007-09-30	387
2007-12-31	408
2008-03-31	405
2008-06-30	394
2008-09-30	367
2008-12-31	91
2009-03-31	63
2009-06-30	69
2009-09-30	54
2009-12-31	52
2010-03-31	53
2010-06-30	78
2010-09-30	84
2010-12-31	31
2011-03-31	34
2011-06-30	35
2011-09-30	51
2011-12-31	308
2012-03-31	43
2012-06-30	42
2012-09-30	42
2012-12-31	37
2013-03-31	65
2013-06-30	77
2013-09-30	73
2013-12-31	99
2014-03-31	135
2014-06-30	138
2014-09-30	133
2014-12-31	130
2015-03-31	37
2015-06-30	77
2015-09-30	36
2015-12-31	37
2016-03-31	33
2016-06-30	24
2016-09-30	32
2016-12-31	33
2017-03-31	33
2017-06-30	32
2017-09-30	32
2017-12-31	32
2018-03-31	32
2018-06-30	53
2018-09-30	51
2018-12-31	51
2019-03-31	20
2019-06-30	52
2019-09-30	34
2019-12-31	34
2020-03-31	33
2020-06-30	35
2020-09-30	34
2020-12-31	34
2021-03-31	34
2021-06-30	35
2021-09-30	34
2021-12-31	34
2022-03-31	34
2022-06-30	34
2022-09-30	34
2022-12-31	34
2023-03-31	34
2023-06-30	31
2023-09-30	31