Quarter	US dollars
1986-09-30	39
1986-12-31	42
1987-03-31	39
1987-06-30	40
1987-09-30	34
1987-12-31	29
1988-03-31	109
1988-06-30	130
1988-09-30	115
1988-12-31	144
1989-03-31	96
1989-06-30	114
1989-09-30	151
1989-12-31	116
1990-03-31	162
1990-06-30	173
1990-09-30	155
1990-12-31	222
1991-03-31	240
1991-06-30	224
1991-09-30	201
1991-12-31	211
1992-03-31	223
1992-06-30	152
1992-09-30	220
1992-12-31	119
1993-03-31	111
1993-06-30	38
1993-09-30	67
1993-12-31	143
1994-03-31	122
1994-06-30	61
1994-09-30	112
1994-12-31	75
1995-03-31	84
1995-06-30	62
1995-09-30	73
1995-12-31	174
1996-03-31	178
1996-06-30	168
1996-09-30	155
1996-12-31	177
1997-03-31	173
1997-06-30	189
1997-09-30	232
1997-12-31	79
1998-03-31	212
1998-06-30	107
1998-09-30	71
1998-12-31	120
1999-03-31	85
1999-06-30	85
1999-09-30	37
1999-12-31	38
2000-03-31	55
2000-06-30	62
2000-09-30	64
2000-12-31	43
2001-03-31	54
2001-06-30	36
2001-09-30	18
2001-12-31	11
2002-03-31	8
2002-06-30	9
2002-09-30	5
2002-12-31	2
2003-03-31	8
2003-06-30	64
2003-09-30	32
2003-12-31	37
2004-03-31	8
2004-06-30	8
2004-09-30	20
2004-12-31	10
2005-03-31	9
2005-06-30	8
2005-09-30	5
2005-12-31	15
2006-03-31	8
2006-06-30	21
2006-09-30	148
2006-12-31	121
2007-03-31	26
2007-06-30	167
2007-09-30	121
2007-12-31	145
2008-03-31	94
2008-06-30	71
2008-09-30	112
2008-12-31	147
2009-03-31	183
2009-06-30	297
2009-09-30	177
2009-12-31	223
2010-03-31	213
2010-06-30	225
2010-09-30	205
2010-12-31	1054
2011-03-31	293
2011-06-30	135
2011-09-30	99
2011-12-31	117
2012-03-31	149
2012-06-30	103
2012-09-30	87
2012-12-31	88
2013-03-31	78
2013-06-30	115
2013-09-30	106
2013-12-31	118
2014-03-31	552
2014-06-30	546
2014-09-30	140
2014-12-31	296
2015-03-31	111
2015-06-30	327
2015-09-30	265
2015-12-31	318
2016-03-31	70
2016-06-30	29
2016-09-30	31
2016-12-31	55
2017-03-31	123
2017-06-30	79
2017-09-30	145
2017-12-31	267
2018-03-31	107
2018-06-30	551
2018-09-30	390
2018-12-31	101
2019-03-31	169
2019-06-30	363
2019-09-30	434
2019-12-31	341
2020-03-31	649
2020-06-30	1036
2020-09-30	756
2020-12-31	1426
2021-03-31	2130
2021-06-30	3377
2021-09-30	3021
2021-12-31	2681
2022-03-31	2211
2022-06-30	2274
2022-09-30	2349
2022-12-31	3319
2023-03-31	1933
2023-06-30	2110
2023-09-30	2265