Quarter	US dollars
2004-12-31	238
2005-03-31	287
2005-06-30	228
2005-09-30	28
2005-12-31	22
2006-03-31	10
2006-06-30	22
2006-09-30	357
2006-12-31	360
2007-03-31	271
2007-06-30	261
2007-09-30	98
2007-12-31	86
2008-03-31	89
2008-06-30	94
2008-09-30	20
2008-12-31	69
2009-03-31	103
2009-06-30	71
2009-09-30	74
2009-12-31	76
2010-03-31	73
2010-06-30	15
2010-09-30	14
2010-12-31	14
2011-03-31	16
2011-06-30	16
2011-09-30	19
2011-12-31	19
2012-03-31	128
2012-06-30	121
2012-09-30	140
2012-12-31	175
2013-03-31	205
2013-06-30	224
2013-09-30	147
2013-12-31	149
2014-03-31	153
2014-06-30	156
2014-09-30	220
2014-12-31	178
2015-03-31	147
2015-06-30	171
2015-09-30	183
2015-12-31	197
2016-03-31	211
2016-06-30	238
2016-09-30	278
2016-12-31	299
2017-03-31	306
2017-06-30	257
2017-09-30	255
2017-12-31	247
2018-03-31	227
2018-06-30	234
2018-09-30	246
2018-12-31	232
2019-03-31	274
2019-06-30	261
2019-09-30	262
2019-12-31	251
2020-03-31	263
2020-06-30	255
2020-09-30	256
2020-12-31	250
2021-03-31	237
2021-06-30	220
2021-09-30	224
2021-12-31	175
2022-03-31	174
2022-06-30	160
2022-09-30	160
2022-12-31	150
2023-03-31	147
2023-06-30	33
2023-09-30	33