Quarter	US dollars
2004-12-31	56
2005-03-31	60
2005-06-30	50
2005-09-30	57
2005-12-31	51
2006-03-31	90
2006-06-30	83
2006-09-30	153
2006-12-31	84
2007-03-31	69
2007-06-30	1382
2007-09-30	336
2007-12-31	90
2008-03-31	513
2008-06-30	40
2008-09-30	48
2008-12-31	98
2009-03-31	37
2009-06-30	522
2009-09-30	115
2009-12-31	3449
2010-03-31	3265
2010-06-30	295
2010-09-30	315
2010-12-31	822
2011-03-31	474
2011-06-30	191
2011-09-30	30
2011-12-31	125
2012-03-31	137
2012-06-30	77
2012-09-30	63
2012-12-31	44
2013-03-31	39
2013-06-30	102
2013-09-30	113
2013-12-31	73
2014-03-31	93
2014-06-30	144
2014-09-30	65
2014-12-31	25
2015-03-31	86
2015-06-30	132
2015-09-30	108
2015-12-31	34
2016-03-31	52
2016-06-30	95
2016-09-30	112
2016-12-31	53
2017-03-31	76
2017-06-30	29
2017-09-30	43
2017-12-31	76
2018-03-31	35
2018-06-30	26
2018-09-30	61
2018-12-31	63
2019-03-31	270
2019-06-30	281
2019-09-30	44
2019-12-31	59
2020-03-31	51
2020-06-30	30
2020-09-30	45
2020-12-31	26
2021-03-31	14
2021-06-30	17
2021-09-30	23
2021-12-31	28
2022-03-31	236
2022-06-30	267
2022-09-30	58
2022-12-31	20
2023-03-31	39
2023-06-30	35
2023-09-30	7