Quarter	US dollars
2004-12-31	342
2005-03-31	386
2005-06-30	79
2005-09-30	103
2005-12-31	76
2006-03-31	95
2006-06-30	92
2006-09-30	140
2006-12-31	125
2007-03-31	122
2007-06-30	90
2007-09-30	43
2007-12-31	78
2008-03-31	123
2008-06-30	100
2008-09-30	119
2008-12-31	102
2009-03-31	42
2009-06-30	71
2009-09-30	91
2009-12-31	52
2010-03-31	73
2010-06-30	106
2010-09-30	137
2010-12-31	138
2011-03-31	133
2011-06-30	132
2011-09-30	150
2011-12-31	181
2012-03-31	176
2012-06-30	108
2012-09-30	176
2012-12-31	179
2013-03-31	121
2013-06-30	161
2013-09-30	199
2013-12-31	246
2014-03-31	130
2014-06-30	127
2014-09-30	242
2014-12-31	290
2015-03-31	386
2015-06-30	344
2015-09-30	353
2015-12-31	270
2016-03-31	303
2016-06-30	156
2016-09-30	239
2016-12-31	333
2017-03-31	334
2017-06-30	516
2017-09-30	700
2017-12-31	788
2018-03-31	845
2018-06-30	734
2018-09-30	849
2018-12-31	801
2019-03-31	797
2019-06-30	799
2019-09-30	834
2019-12-31	754
2020-03-31	657
2020-06-30	539
2020-09-30	676
2020-12-31	676
2021-03-31	632
2021-06-30	641
2021-09-30	816
2021-12-31	511
2022-03-31	315
2022-06-30	106
2022-09-30	85
2022-12-31	78
2023-03-31	79
2023-06-30	107
2023-09-30	89