Quarter	US dollars
2004-12-31	36
2008-06-30	165
2008-12-31	112
2009-03-31	112
2009-06-30	138
2009-09-30	152
2009-12-31	144
2010-03-31	156
2010-06-30	171
2012-09-30	215
2013-03-31	216
2014-03-31	153
2014-06-30	140
2014-12-31	76
2015-03-31	64
2015-06-30	80
2015-09-30	92
2015-12-31	98
2016-03-31	99
2016-06-30	31
2016-09-30	22
2016-12-31	27
2017-03-31	24
2017-06-30	21
2017-09-30	19
2017-12-31	22
2018-03-31	14
2018-06-30	11
2018-09-30	9
2018-12-31	13
2019-03-31	17
2019-06-30	15
2019-09-30	20
2019-12-31	22
2020-03-31	21
2020-06-30	17
2020-09-30	30
2020-12-31	34
2021-03-31	37
2021-06-30	40
2021-09-30	42
2021-12-31	32
2022-03-31	33
2022-06-30	30
2022-09-30	25
2022-12-31	26
2023-03-31	25
2023-06-30	24
2023-09-30	23