Quarter	US dollars
2004-12-31	79
2005-03-31	136
2005-06-30	99
2005-09-30	92
2005-12-31	82
2006-03-31	85
2006-06-30	89
2006-09-30	116
2006-12-31	92
2007-03-31	86
2007-06-30	108
2007-09-30	94
2007-12-31	54
2008-03-31	352
2008-06-30	239
2008-09-30	135
2008-12-31	148
2009-03-31	90
2009-06-30	72
2009-09-30	90
2009-12-31	165
2010-03-31	111
2010-06-30	91
2010-09-30	211
2010-12-31	197
2011-03-31	128
2011-06-30	143
2011-09-30	217
2011-12-31	305
2012-03-31	265
2012-06-30	312
2012-09-30	273
2012-12-31	262
2013-03-31	213
2013-06-30	279
2013-09-30	1082
2013-12-31	274
2014-03-31	260
2014-06-30	222
2014-09-30	237
2014-12-31	197
2015-03-31	186
2015-06-30	167
2015-09-30	176
2015-12-31	159
2016-03-31	161
2016-06-30	149
2016-09-30	142
2016-12-31	108
2017-03-31	123
2017-06-30	287
2017-09-30	241
2017-12-31	240
2018-03-31	246
2018-06-30	251
2018-09-30	248
2018-12-31	259
2019-03-31	463
2019-06-30	424
2019-09-30	1060
2019-12-31	338
2020-03-31	213
2020-06-30	163
2020-09-30	168
2020-12-31	98
2021-03-31	105
2021-06-30	77
2021-09-30	80
2021-12-31	42
2022-03-31	45
2022-06-30	72
2022-09-30	81
2022-12-31	61
2023-03-31	67
2023-06-30	107
2023-09-30	127