Quarter	US dollars
2004-12-31	73
2005-03-31	62
2005-06-30	68
2005-09-30	92
2005-12-31	39
2006-03-31	17
2006-06-30	22
2006-09-30	7
2006-12-31	10
2007-03-31	51
2007-06-30	8
2007-09-30	37
2007-12-31	14
2008-03-31	48
2008-06-30	50
2008-09-30	30
2008-12-31	37
2009-03-31	10
2009-06-30	59
2009-09-30	18
2009-12-31	13
2010-03-31	21
2010-06-30	31
2010-09-30	76
2010-12-31	75
2011-03-31	87
2011-06-30	31
2011-09-30	53
2011-12-31	15
2012-03-31	61
2012-06-30	36
2012-09-30	36
2012-12-31	24
2013-03-31	50
2013-06-30	164
2013-09-30	99
2013-12-31	71
2014-03-31	78
2014-06-30	92
2014-09-30	133
2014-12-31	36
2015-03-31	34
2015-06-30	24
2015-09-30	64
2015-12-31	50
2016-03-31	65
2016-06-30	20
2016-09-30	35
2016-12-31	261
2017-03-31	259
2017-06-30	12
2017-09-30	13
2017-12-31	31
2018-03-31	20
2018-06-30	9
2018-09-30	203
2018-12-31	155
2019-03-31	250
2019-06-30	214
2019-09-30	108
2019-12-31	106
2020-03-31	134
2020-06-30	171
2020-09-30	249
2020-12-31	261
2021-03-31	408
2021-06-30	513
2021-09-30	483
2021-12-31	454
2022-03-31	583
2022-06-30	1196
2022-09-30	1744
2022-12-31	1605
2023-03-31	1076
2023-06-30	1263
2023-09-30	1175