Quarter	US dollars
2004-12-31	35
2005-03-31	11
2005-06-30	57
2005-09-30	23
2005-12-31	5
2006-03-31	19
2006-06-30	17
2006-09-30	21
2006-12-31	20
2007-03-31	24
2007-06-30	48
2007-09-30	37
2007-12-31	50
2008-03-31	231
2008-06-30	96
2008-09-30	134
2008-12-31	135
2009-03-31	148
2009-06-30	204
2009-09-30	155
2009-12-31	170
2010-03-31	179
2010-06-30	153
2010-09-30	251
2010-12-31	197
2011-03-31	91
2011-06-30	103
2011-09-30	93
2011-12-31	136
2012-03-31	160
2012-06-30	154
2012-09-30	392
2012-12-31	306
2013-03-31	191
2013-06-30	214
2013-09-30	141
2013-12-31	106
2014-03-31	87
2014-06-30	115
2014-09-30	123
2014-12-31	120
2015-03-31	116
2015-06-30	102
2015-09-30	111
2015-12-31	108
2016-03-31	128
2016-06-30	114
2016-09-30	192
2016-12-31	226
2017-03-31	220
2017-06-30	205
2017-09-30	205
2017-12-31	234
2018-03-31	140
2018-06-30	189
2018-09-30	164
2018-12-31	180
2019-03-31	210
2019-06-30	117
2019-09-30	452
2019-12-31	580
2020-03-31	304
2020-06-30	319
2020-09-30	315
2020-12-31	232
2021-03-31	232
2021-06-30	199
2021-09-30	210
2021-12-31	214
2022-03-31	199
2022-06-30	318
2022-09-30	210
2022-12-31	206
2023-03-31	209
2023-06-30	222
2023-09-30	207