Quarter	US dollars
2004-12-31	134
2005-03-31	113
2005-06-30	143
2005-09-30	152
2005-12-31	106
2006-03-31	170
2006-06-30	150
2006-09-30	166
2006-12-31	282
2007-03-31	355
2007-06-30	329
2007-09-30	312
2007-12-31	297
2008-03-31	298
2008-06-30	289
2008-09-30	278
2008-12-31	259
2009-03-31	218
2009-06-30	394
2009-09-30	478
2009-12-31	509
2010-03-31	557
2010-06-30	545
2010-09-30	681
2010-12-31	692
2011-03-31	588
2011-06-30	562
2011-09-30	570
2011-12-31	594
2012-03-31	588
2012-06-30	607
2012-09-30	522
2012-12-31	665
2013-03-31	686
2013-06-30	632
2013-09-30	727
2013-12-31	-3
2014-03-31	90
2014-06-30	97
2014-09-30	109
2014-12-31	97
2015-03-31	102
2015-06-30	98
2015-09-30	91
2015-12-31	90
2016-03-31	93
2016-06-30	89
2016-09-30	53
2016-12-31	114
2017-03-31	115
2017-06-30	95
2017-09-30	162
2017-12-31	174
2018-03-31	101
2018-06-30	104
2018-09-30	163
2018-12-31	148
2019-03-31	106
2019-06-30	74
2019-09-30	112
2019-12-31	73
2020-03-31	103
2020-06-30	90
2020-09-30	66
2020-12-31	41
2021-03-31	120
2021-06-30	182
2021-09-30	117
2021-12-31	240
2022-03-31	38
2022-06-30	137
2022-09-30	195
2022-12-31	111
2023-03-31	100
2023-06-30	21
2023-09-30	6