Quarter	US dollars
2004-12-31	225
2005-03-31	138
2005-06-30	151
2005-09-30	226
2005-12-31	235
2006-03-31	199
2006-06-30	176
2006-09-30	148
2006-12-31	207
2007-03-31	279
2007-06-30	110
2007-09-30	204
2007-12-31	215
2008-03-31	266
2008-06-30	241
2008-09-30	178
2008-12-31	66
2009-03-31	155
2009-06-30	110
2009-09-30	115
2009-12-31	150
2010-03-31	138
2010-06-30	235
2010-09-30	216
2010-12-31	222
2011-03-31	189
2011-06-30	199
2011-09-30	262
2011-12-31	181
2012-03-31	182
2012-06-30	166
2012-09-30	173
2012-12-31	120
2013-03-31	96
2013-06-30	121
2013-09-30	91
2013-12-31	88
2014-03-31	33
2014-06-30	116
2014-09-30	65
2014-12-31	53
2015-03-31	67
2015-06-30	66
2015-09-30	86
2015-12-31	53
2016-03-31	9
2016-06-30	11
2016-09-30	6
2016-12-31	4
2017-03-31	144
2017-06-30	212
2017-09-30	122
2017-12-31	103
2018-03-31	101
2018-06-30	127
2018-09-30	133
2018-12-31	163
2019-03-31	102
2019-06-30	121
2019-09-30	75
2019-12-31	61
2020-03-31	42
2020-06-30	38
2020-09-30	59
2020-12-31	55
2021-03-31	47
2021-06-30	44
2021-09-30	63
2021-12-31	46
2022-03-31	36
2022-06-30	62
2022-09-30	69
2022-12-31	74
2023-03-31	82
2023-06-30	59
2023-09-30	40