Quarter	Average 1990 = 100
1975-03-31	136.28
1975-06-30	123.86
1975-09-30	125.82
1975-12-31	123.66
1976-03-31	119.42
1976-06-30	112.3
1976-09-30	103.3
1976-12-31	104.32
1977-03-31	106.15
1977-06-30	105.33
1977-09-30	107.4
1977-12-31	111.18
1978-03-31	104.96
1978-06-30	105.47
1978-09-30	106.47
1978-12-31	107.17
1979-03-31	110.82
1979-06-30	115.98
1979-09-30	113.95
1979-12-31	115.29
1980-03-31	122.1
1980-06-30	123.19
1980-09-30	126.82
1980-12-31	134.05
1981-03-31	133.57
1981-06-30	127.67
1981-09-30	117.9
1981-12-31	122.82
1982-03-31	123.61
1982-06-30	124.61
1982-09-30	124.88
1982-12-31	115.4
1983-03-31	109.29
1983-06-30	116.95
1983-09-30	117.29
1983-12-31	116.82
1984-03-31	112.33
1984-06-30	111.64
1984-09-30	109.55
1984-12-31	104.67
1985-03-31	110.26
1985-06-30	115.73
1985-09-30	113.38
1985-12-31	109.18
1986-03-31	107
1986-06-30	106.44
1986-09-30	95.56
1986-12-31	94.95
1987-03-31	97.69
1987-06-30	99.12
1987-09-30	100.34
1987-12-31	102.85
1988-03-31	106.75
1988-06-30	103.91
1988-09-30	105.44
1988-12-31	107.5
1989-03-31	105.58
1989-06-30	99.91
1989-09-30	100.93
1989-12-31	94.38
1990-03-31	96.38
1990-06-30	100.21
1990-09-30	102.11
1990-12-31	102.41
1991-03-31	101.61
1991-06-30	98.87
1991-09-30	100.16
1991-12-31	100.07
1992-03-31	98.97
1992-06-30	101.88
1992-09-30	91.62
1992-12-31	87.76
1993-03-31	87.68
1993-06-30	89.58
1993-09-30	88.63
1993-12-31	91.19
1994-03-31	88.23
1994-06-30	88.61
1994-09-30	88.73
1994-12-31	88.54
1995-03-31	85.34
1995-06-30	83.39
1995-09-30	84.68
1995-12-31	83.06
1996-03-31	83.44
1996-06-30	86.34
1996-09-30	87.02
1996-12-31	96.13
1997-03-31	98.05
1997-06-30	102.12
1997-09-30	100.39
1997-12-31	104.38
1998-03-31	108.83
1998-06-30	106.99
1998-09-30	103.25
1998-12-31	99.68
1999-03-31	102.85
1999-06-30	103.95
1999-09-30	105.1
1999-12-31	107.22
2000-03-31	109.69
2000-06-30	104.31
2000-09-30	108.5
2000-12-31	105.43
2001-03-31	105.74
2001-06-30	107.82
2001-09-30	106.59
2001-12-31	107.93
2002-03-31	107.07
2002-06-30	103.73
2002-09-30	107.03
2002-12-31	104.54
2003-03-31	99.74
2003-06-30	100.38
2003-09-30	99.37
2003-12-31	100.58
2004-03-31	105.12
2004-06-30	104.84
2004-09-30	102.97
2004-12-31	101.49
2005-03-31	103.68
2005-06-30	104.01
2005-09-30	102.99
2005-12-31	101.96
2006-03-31	101.18