Quarter	US dollars
2004-12-31	73
2005-03-31	68
2005-06-30	47
2005-09-30	16
2005-12-31	15
2006-03-31	33
2006-06-30	46
2006-09-30	32
2006-12-31	68
2007-03-31	43
2007-06-30	38
2007-09-30	69
2007-12-31	36
2008-03-31	219
2008-06-30	239
2008-09-30	50
2008-12-31	26
2009-03-31	239
2009-06-30	133
2009-09-30	142
2009-12-31	10
2010-03-31	11
2010-06-30	6
2010-09-30	16
2010-12-31	23
2011-03-31	248
2011-06-30	254
2011-09-30	608
2011-12-31	336
2012-03-31	414
2012-06-30	223
2012-09-30	533
2012-12-31	275
2013-03-31	273
2013-06-30	33
2013-09-30	15
2013-12-31	17
2014-03-31	42
2014-06-30	26
2014-09-30	28
2014-12-31	425
2015-03-31	18
2015-06-30	16
2015-09-30	11
2015-12-31	12
2016-03-31	14
2016-06-30	12
2016-09-30	12
2016-12-31	7
2017-03-31	6
2017-06-30	12
2017-09-30	4
2017-12-31	8
2018-03-31	14
2018-06-30	13
2018-09-30	38
2018-12-31	11
2019-03-31	23
2019-06-30	14
2019-09-30	113
2019-12-31	21
2020-03-31	7
2020-06-30	17
2020-09-30	36
2020-12-31	18
2021-03-31	7
2021-06-30	12
2021-09-30	26
2021-12-31	11
2022-03-31	11
2022-06-30	12
2022-09-30	16
2022-12-31	12
2023-03-31	13
2023-06-30	12
2023-09-30	15