Quarter	US dollars
2004-12-31	146
2005-03-31	43
2005-06-30	81
2005-09-30	108
2005-12-31	34
2006-03-31	57
2006-06-30	31
2006-09-30	6
2006-12-31	10
2007-03-31	6
2007-06-30	46
2007-09-30	59
2007-12-31	10
2008-03-31	87
2008-06-30	66
2008-09-30	36
2008-12-31	59
2009-03-31	46
2009-06-30	44
2009-09-30	16
2009-12-31	36
2010-03-31	20
2010-06-30	28
2010-09-30	88
2010-12-31	53
2011-03-31	398
2011-06-30	85
2011-09-30	58
2011-12-31	40
2012-03-31	67
2012-06-30	20
2012-09-30	34
2012-12-31	99
2013-03-31	115
2013-06-30	203
2013-09-30	303
2013-12-31	440
2014-03-31	437
2014-06-30	347
2014-09-30	287
2014-12-31	162
2015-03-31	62
2015-06-30	55
2015-09-30	47
2015-12-31	49
2016-03-31	247
2016-06-30	109
2016-09-30	149
2016-12-31	196
2017-03-31	150
2017-06-30	187
2017-09-30	113
2017-12-31	417
2018-03-31	295
2018-06-30	136
2018-09-30	140
2018-12-31	227
2019-03-31	244
2019-06-30	312
2019-09-30	298
2019-12-31	252
2020-03-31	177
2020-06-30	153
2020-09-30	115
2020-12-31	100
2021-03-31	175
2021-06-30	260
2021-09-30	205
2021-12-31	217
2022-03-31	267
2022-06-30	272
2022-09-30	326
2022-12-31	281
2023-03-31	224
2023-06-30	135
2023-09-30	115