Quarter	US dollars
2004-12-31	660
2005-03-31	0
2005-06-30	2
2005-09-30	5
2005-12-31	3
2006-03-31	3
2006-06-30	4
2006-09-30	9
2006-12-31	8
2007-03-31	12
2007-06-30	14
2007-09-30	26
2007-12-31	14
2008-03-31	149
2008-06-30	141
2008-09-30	162
2008-12-31	118
2009-03-31	128
2009-06-30	119
2009-09-30	134
2009-12-31	129
2010-03-31	120
2010-06-30	148
2010-09-30	140
2010-12-31	124
2011-03-31	146
2011-06-30	154
2011-09-30	95
2011-12-31	62
2012-03-31	160
2012-06-30	182
2012-09-30	207
2012-12-31	239
2013-03-31	129
2013-06-30	232
2013-09-30	225
2013-12-31	246
2014-03-31	233
2014-06-30	381
2014-09-30	370
2014-12-31	470
2015-03-31	362
2015-06-30	606
2015-09-30	638
2015-12-31	594
2016-03-31	427
2016-06-30	500
2016-09-30	470
2016-12-31	132
2017-03-31	176
2017-06-30	253
2017-09-30	204
2017-12-31	242
2018-03-31	227
2018-06-30	220
2018-09-30	240
2018-12-31	283
2019-03-31	238
2019-06-30	253
2019-09-30	313
2019-12-31	378
2020-03-31	304
2020-06-30	267
2020-09-30	275
2020-12-31	284
2021-03-31	299
2021-06-30	325
2021-09-30	233
2021-12-31	183
2022-03-31	138
2022-06-30	270
2022-09-30	249
2022-12-31	239
2023-03-31	287
2023-06-30	322
2023-09-30	402