Year	Average 1990 = 100
1975-12-31	130.43
1976-12-31	117.65
1977-12-31	113.47
1978-12-31	113.81
1979-12-31	114.03
1980-12-31	111.53
1981-12-31	102.16
1982-12-31	101.06
1983-12-31	97.45
1984-12-31	93.8
1985-12-31	94.66
1986-12-31	98.92
1987-12-31	97.09
1988-12-31	95.35
1989-12-31	94.37
1990-12-31	100
1991-12-31	98.67
1992-12-31	101.77
1993-12-31	96.4
1994-12-31	96.76
1995-12-31	97.3
1996-12-31	99.35
1997-12-31	99.58
1998-12-31	94.42
1999-12-31	91.62
2000-12-31	86.58
2001-12-31	87.33