Quarter	US dollars
2004-12-31	71
2005-03-31	198
2005-06-30	256
2005-09-30	64
2005-12-31	175
2006-03-31	246
2006-06-30	366
2006-09-30	385
2006-12-31	339
2007-03-31	271
2007-06-30	199
2007-09-30	265
2007-12-31	251
2008-03-31	191
2008-06-30	155
2008-09-30	148
2008-12-31	170
2009-03-31	176
2009-06-30	186
2009-09-30	165
2009-12-31	145
2010-03-31	211
2010-06-30	302
2010-09-30	243
2010-12-31	232
2011-03-31	216
2011-06-30	201
2011-09-30	212
2011-12-31	172
2012-03-31	181
2012-06-30	355
2012-09-30	409
2012-12-31	335
2013-03-31	343
2013-06-30	414
2013-09-30	431
2013-12-31	425
2014-03-31	472
2014-06-30	604
2014-09-30	447
2014-12-31	220
2015-03-31	183
2015-06-30	164
2015-09-30	88
2015-12-31	116
2016-03-31	65
2016-06-30	51
2016-09-30	48
2016-12-31	160
2017-03-31	168
2017-06-30	173
2017-09-30	182
2017-12-31	192
2018-03-31	192
2018-06-30	59
2018-09-30	56
2018-12-31	51
2019-03-31	57
2019-06-30	83
2019-09-30	65
2019-12-31	26
2020-03-31	12
2020-06-30	74
2020-09-30	53
2020-12-31	142
2021-03-31	43
2021-06-30	33
2021-09-30	42
2021-12-31	39
2022-03-31	116
2022-06-30	169
2022-09-30	70
2022-12-31	125
2023-03-31	62
2023-06-30	68
2023-09-30	116