Quarter	US dollars
2004-12-31	0
2005-03-31	0
2005-06-30	0
2005-09-30	0
2005-12-31	0
2006-03-31	0
2006-06-30	6
2006-09-30	6
2006-12-31	2
2007-03-31	4
2007-06-30	4
2007-09-30	18
2007-12-31	0
2008-03-31	0
2008-06-30	2
2008-09-30	4
2008-12-31	4
2009-03-31	189
2009-06-30	191
2009-09-30	198
2009-12-31	229
2010-03-31	258
2010-06-30	248
2010-09-30	249
2010-12-31	308
2011-03-31	324
2011-06-30	331
2011-09-30	366
2011-12-31	343
2012-03-31	165
2012-06-30	182
2012-09-30	113
2012-12-31	302
2013-03-31	372
2013-06-30	461
2013-09-30	374
2013-12-31	251
2014-03-31	292
2014-06-30	239
2014-09-30	277
2014-12-31	279
2015-03-31	196
2015-06-30	289
2015-09-30	301
2015-12-31	449
2016-03-31	447
2016-06-30	242
2016-09-30	210
2016-12-31	381
2017-03-31	369
2017-06-30	274
2017-09-30	86
2017-12-31	115
2018-03-31	107
2018-06-30	94
2018-09-30	99
2018-12-31	82
2019-03-31	89
2019-06-30	15
2019-09-30	2
2019-12-31	3
2020-03-31	1
2020-06-30	85
2020-09-30	68
2020-12-31	63
2021-03-31	86
2021-06-30	116
2021-09-30	1
2021-12-31	109
2022-03-31	158
2022-06-30	91
2022-09-30	196
2022-12-31	198
2023-03-31	205
2023-06-30	199
2023-09-30	101