Quarter	US dollars
2004-12-31	69
2005-03-31	76
2005-06-30	70
2005-09-30	74
2005-12-31	130
2006-03-31	111
2006-06-30	141
2006-09-30	99
2006-12-31	145
2007-03-31	175
2007-06-30	165
2007-09-30	261
2007-12-31	191
2008-03-31	205
2008-06-30	207
2008-09-30	242
2008-12-31	160
2009-03-31	209
2009-06-30	207
2009-09-30	190
2009-12-31	221
2010-03-31	252
2010-06-30	292
2010-09-30	269
2010-12-31	304
2011-03-31	279
2011-06-30	310
2011-09-30	312
2011-12-31	220
2012-03-31	344
2012-06-30	334
2012-09-30	276
2012-12-31	267
2013-03-31	185
2013-06-30	211
2013-09-30	246
2013-12-31	205
2014-03-31	145
2014-06-30	203
2014-09-30	133
2014-12-31	94
2015-03-31	105
2015-06-30	90
2015-09-30	120
2015-12-31	136
2016-03-31	88
2016-06-30	60
2016-09-30	45
2016-12-31	34
2017-03-31	33
2017-06-30	53
2017-09-30	64
2017-12-31	76
2018-03-31	74
2018-06-30	77
2018-09-30	65
2018-12-31	40
2019-03-31	38
2019-06-30	42
2019-09-30	87
2019-12-31	79
2020-03-31	87
2020-06-30	62
2020-09-30	43
2020-12-31	12
2021-03-31	120
2021-06-30	176
2021-09-30	159
2021-12-31	3
2022-03-31	4
2022-06-30	55
2022-09-30	122
2022-12-31	80
2023-03-31	81
2023-06-30	142
2023-09-30	180