Quarter	US dollars
1999-09-30	140
1999-12-31	181
2000-03-31	215
2000-06-30	126
2000-09-30	133
2000-12-31	157
2001-03-31	152
2001-06-30	233
2001-09-30	303
2001-12-31	242
2002-03-31	218
2002-06-30	296
2002-09-30	226
2002-12-31	111
2003-03-31	187
2003-06-30	234
2003-09-30	196
2003-12-31	154
2004-03-31	162
2004-06-30	109
2004-09-30	194
2004-12-31	144
2005-03-31	146
2005-06-30	237
2005-09-30	166
2005-12-31	125
2006-03-31	278
2006-06-30	111
2006-09-30	202
2006-12-31	51
2007-03-31	51
2007-06-30	54
2007-09-30	51
2007-12-31	52
2008-03-31	58
2008-06-30	84
2008-09-30	128
2008-12-31	135
2009-03-31	189
2009-06-30	293
2009-09-30	198
2009-12-31	213
2010-03-31	205
2010-06-30	211
2010-09-30	112
2010-12-31	106
2011-03-31	220
2011-06-30	220
2011-09-30	128
2011-12-31	221
2012-03-31	222
2012-06-30	218
2012-09-30	294
2012-12-31	247
2013-03-31	147
2013-06-30	144
2013-09-30	141
2013-12-31	88
2014-03-31	122
2014-06-30	127
2014-09-30	133
2014-12-31	133
2015-03-31	141
2015-06-30	148
2015-09-30	106
2015-12-31	105
2016-03-31	105
2016-06-30	101
2016-09-30	99
2016-12-31	91
2017-03-31	99
2017-06-30	57
2017-09-30	9
2017-12-31	61
2018-03-31	84
2018-06-30	81
2018-09-30	82
2018-12-31	24
2019-03-31	23
2019-06-30	73
2019-09-30	90
2019-12-31	87
2020-03-31	88
2020-06-30	85
2020-09-30	88
2020-12-31	81
2021-03-31	83
2021-06-30	79
2021-09-30	74
2021-12-31	75
2022-03-31	68
2022-06-30	70
2022-09-30	-1
2022-12-31	-2
2023-03-31	0
2023-06-30	7
2023-09-30	137