Quarter	US dollars
1986-09-30	60
1986-12-31	57
1987-03-31	61
1987-06-30	61
1987-09-30	86
1987-12-31	92
1988-03-31	108
1988-06-30	80
1988-09-30	125
1988-12-31	166
1989-03-31	157
1989-06-30	112
1989-09-30	136
1989-12-31	102
1990-03-31	94
1990-06-30	104
1990-09-30	177
1990-12-31	168
1991-03-31	116
1991-06-30	102
1991-09-30	170
1991-12-31	227
1992-03-31	117
1992-06-30	139
1992-09-30	126
1992-12-31	123
1993-03-31	107
1993-06-30	102
1993-09-30	107
1993-12-31	104
1994-03-31	102
1994-06-30	108
1994-09-30	122
1994-12-31	106
1995-03-31	96
1995-06-30	139
1995-09-30	118
1995-12-31	94
1996-03-31	87
1996-06-30	98
1996-09-30	191
1996-12-31	207
1997-03-31	135
1997-06-30	133
1997-09-30	226
1997-12-31	138
1998-03-31	225
1998-06-30	294
1998-09-30	172
1998-12-31	212
1999-03-31	185
1999-06-30	199
1999-09-30	159
1999-12-31	176
2000-03-31	167
2000-06-30	149
2000-09-30	149
2000-12-31	216
2001-03-31	208
2001-06-30	204
2001-09-30	215
2001-12-31	184
2002-03-31	121
2002-06-30	143
2002-09-30	149
2002-12-31	123
2003-03-31	109
2003-06-30	105
2003-09-30	112
2003-12-31	116
2004-03-31	108
2004-06-30	87
2004-09-30	110
2004-12-31	125
2005-03-31	91
2005-06-30	102
2005-09-30	121
2005-12-31	109
2006-03-31	104
2006-06-30	110
2006-09-30	125
2006-12-31	138
2007-03-31	100
2007-06-30	104
2007-09-30	98
2007-12-31	95
2008-03-31	101
2008-06-30	105
2008-09-30	77
2008-12-31	60
2009-03-31	73
2009-06-30	79
2009-09-30	87
2009-12-31	84
2010-03-31	128
2010-06-30	128
2010-09-30	192
2010-12-31	275
2011-03-31	228
2011-06-30	240
2011-09-30	247
2011-12-31	254
2012-03-31	173
2012-06-30	217
2012-09-30	230
2012-12-31	197
2013-03-31	212
2013-06-30	346
2013-09-30	383
2013-12-31	376
2014-03-31	373
2014-06-30	360
2014-09-30	344
2014-12-31	240
2015-03-31	223
2015-06-30	265
2015-09-30	262
2015-12-31	216
2016-03-31	220
2016-06-30	158
2016-09-30	181
2016-12-31	107
2017-03-31	123
2017-06-30	156
2017-09-30	283
2017-12-31	248
2018-03-31	293
2018-06-30	303
2018-09-30	358
2018-12-31	213
2019-03-31	264
2019-06-30	166
2019-09-30	141
2019-12-31	214
2020-03-31	112
2020-06-30	130
2020-09-30	133
2020-12-31	198
2021-03-31	151
2021-06-30	119
2021-09-30	117
2021-12-31	133
2022-03-31	99
2022-06-30	136
2022-09-30	124
2022-12-31	178
2023-03-31	102
2023-06-30	269
2023-09-30	159