Quarter	US dollars
2004-12-31	79
2005-03-31	183
2005-06-30	195
2005-09-30	209
2005-12-31	410
2006-03-31	382
2006-06-30	300
2006-09-30	185
2006-12-31	184
2007-03-31	200
2007-06-30	136
2007-09-30	187
2007-12-31	143
2008-03-31	608
2008-06-30	127
2008-09-30	82
2008-12-31	676
2009-03-31	765
2009-06-30	823
2009-09-30	389
2009-12-31	388
2010-03-31	328
2010-06-30	337
2010-09-30	591
2010-12-31	83
2011-03-31	104
2011-06-30	116
2011-09-30	145
2011-12-31	156
2012-03-31	80
2012-06-30	195
2012-09-30	76
2012-12-31	84
2013-03-31	61
2013-06-30	67
2013-09-30	71
2013-12-31	71
2014-03-31	67
2014-06-30	60
2014-09-30	52
2014-12-31	48
2015-03-31	28
2015-06-30	38
2015-09-30	53
2015-12-31	47
2016-03-31	30
2016-06-30	19
2016-09-30	222
2016-12-31	295
2017-03-31	25
2017-06-30	287
2017-09-30	282
2017-12-31	285
2018-03-31	251
2018-06-30	9
2018-09-30	20
2018-12-31	28
2019-03-31	72
2019-06-30	56
2019-09-30	57
2019-12-31	125
2020-03-31	17
2020-06-30	75
2020-09-30	75
2020-12-31	401
2021-03-31	353
2021-06-30	330
2021-09-30	317
2021-12-31	263
2022-03-31	224
2022-06-30	313
2022-09-30	81
2022-12-31	85
2023-03-31	93
2023-06-30	121
2023-09-30	94