Quarter	US dollars
2004-12-31	31
2005-03-31	42
2005-06-30	56
2005-09-30	60
2005-12-31	76
2006-03-31	83
2006-06-30	52
2006-09-30	50
2006-12-31	51
2007-03-31	67
2007-06-30	78
2007-09-30	59
2007-12-31	121
2008-03-31	66
2008-06-30	58
2008-09-30	82
2008-12-31	98
2009-03-31	234
2009-06-30	226
2009-09-30	232
2009-12-31	236
2010-03-31	232
2010-06-30	290
2010-09-30	534
2010-12-31	490
2011-03-31	122
2011-06-30	112
2011-09-30	136
2011-12-31	382
2012-03-31	732
2012-06-30	737
2012-09-30	753
2012-12-31	763
2013-03-31	867
2013-06-30	558
2013-09-30	544
2013-12-31	140
2014-03-31	722
2014-06-30	966
2014-09-30	952
2014-12-31	805
2015-03-31	742
2015-06-30	879
2015-09-30	892
2015-12-31	900
2016-03-31	841
2016-06-30	654
2016-09-30	1117
2016-12-31	1131
2017-03-31	1019
2017-06-30	114
2017-09-30	109
2017-12-31	95
2018-03-31	143
2018-06-30	277
2018-09-30	407
2018-12-31	345
2019-03-31	469
2019-06-30	307
2019-09-30	261
2019-12-31	279
2020-03-31	260
2020-06-30	258
2020-09-30	235
2020-12-31	222
2021-03-31	244
2021-06-30	199
2021-09-30	135
2021-12-31	86
2022-03-31	105
2022-06-30	102
2022-09-30	96
2022-12-31	76
2023-03-31	82
2023-06-30	100
2023-09-30	110