Quarter	US dollars
2004-12-31	129
2005-03-31	112
2005-06-30	106
2005-09-30	96
2005-12-31	76
2006-03-31	68
2006-06-30	0
2006-09-30	6
2006-12-31	0
2007-03-31	0
2007-06-30	253
2007-09-30	242
2007-12-31	434
2008-03-31	497
2008-06-30	507
2008-09-30	622
2008-12-31	683
2009-03-31	616
2009-06-30	594
2009-09-30	566
2009-12-31	559
2010-03-31	535
2010-06-30	507
2010-09-30	421
2010-12-31	405
2011-03-31	380
2011-06-30	1005
2011-09-30	975
2011-12-31	934
2012-03-31	901
2012-06-30	861
2012-09-30	807
2012-12-31	844
2013-03-31	806
2013-06-30	760
2013-09-30	719
2013-12-31	666
2014-03-31	629
2014-06-30	597
2014-09-30	559
2014-12-31	531
2015-03-31	325
2015-06-30	491
2015-09-30	751
2015-12-31	499
2016-03-31	188
2016-06-30	183
2016-09-30	168
2016-12-31	132
2017-03-31	125
2017-06-30	21
2017-09-30	0
2017-12-31	1
2018-03-31	1
2018-06-30	1
2018-09-30	1
2018-12-31	0
2019-03-31	25
2019-06-30	83
2019-09-30	89
2019-12-31	91
2020-03-31	318
2020-06-30	314
2020-09-30	28
2020-12-31	16
2021-03-31	7
2021-06-30	1
2021-09-30	55
2021-12-31	44
2022-03-31	74
2022-06-30	62
2022-09-30	148
2022-12-31	308
2023-03-31	187
2023-06-30	132
2023-09-30	199