Quarter	US dollars
2004-12-31	204
2005-03-31	210
2005-06-30	210
2005-09-30	200
2005-12-31	206
2006-03-31	205
2006-06-30	187
2006-09-30	194
2006-12-31	211
2007-03-31	220
2007-06-30	211
2007-09-30	416
2007-12-31	325
2008-03-31	268
2008-06-30	275
2008-09-30	323
2008-12-31	178
2009-03-31	165
2009-06-30	176
2009-09-30	174
2009-12-31	140
2010-03-31	294
2010-06-30	365
2010-09-30	356
2010-12-31	343
2011-03-31	335
2011-06-30	79
2011-09-30	115
2011-12-31	131
2012-03-31	101
2012-06-30	64
2012-09-30	71
2012-12-31	60
2013-03-31	36
2013-06-30	56
2013-09-30	58
2013-12-31	84
2014-03-31	62
2014-06-30	68
2014-09-30	79
2014-12-31	92
2015-03-31	55
2015-06-30	46
2015-09-30	36
2015-12-31	52
2016-03-31	35
2016-06-30	34
2016-09-30	38
2016-12-31	38
2017-03-31	28
2017-06-30	13
2017-09-30	12
2017-12-31	15
2018-03-31	13
2018-06-30	13
2018-09-30	20
2018-12-31	13
2019-03-31	7
2019-06-30	41
2019-09-30	57
2019-12-31	36
2020-03-31	40
2020-06-30	41
2020-09-30	41
2020-12-31	37
2021-03-31	37
2021-06-30	30
2021-09-30	35
2021-12-31	35
2022-03-31	34
2022-06-30	30
2022-09-30	26
2022-12-31	29
2023-03-31	26
2023-06-30	25
2023-09-30	22