Quarter	US dollars
2004-12-31	891
2005-03-31	928
2005-06-30	1280
2005-09-30	1238
2005-12-31	1293
2006-03-31	1053
2006-06-30	984
2006-09-30	1558
2006-12-31	932
2007-03-31	1134
2007-06-30	1254
2007-09-30	1245
2007-12-31	1214
2008-03-31	1069
2008-06-30	1122
2008-09-30	870
2008-12-31	142
2009-03-31	282
2009-06-30	270
2009-09-30	309
2009-12-31	129
2010-03-31	112
2010-06-30	106
2010-09-30	158
2010-12-31	199
2011-03-31	146
2011-06-30	161
2011-09-30	185
2011-12-31	155
2012-03-31	107
2012-06-30	61
2012-09-30	23
2012-12-31	11
2013-03-31	11
2013-06-30	17
2013-09-30	13
2013-12-31	12
2014-03-31	5
2014-06-30	10
2014-09-30	32
2014-12-31	28
2015-03-31	28
2015-06-30	16
2015-09-30	18
2015-12-31	9
2016-03-31	12
2016-06-30	47
2016-09-30	56
2016-12-31	85
2017-03-31	51
2017-06-30	34
2017-09-30	5
2017-12-31	15
2018-03-31	18
2018-06-30	16
2018-09-30	35
2018-12-31	32
2019-03-31	36
2019-06-30	67
2019-09-30	79
2019-12-31	9
2020-03-31	12
2020-06-30	31
2020-09-30	83
2020-12-31	46
2021-03-31	54
2021-06-30	15
2021-09-30	31
2021-12-31	30
2022-03-31	32
2022-06-30	12
2022-09-30	14
2022-12-31	23
2023-03-31	46
2023-06-30	-2
2023-09-30	14