Year	Average 1990 = 100
1975-12-31	501.51
1976-12-31	481.19
1977-12-31	470.73
1978-12-31	426.25
1979-12-31	398.81
1980-12-31	346.14
1981-12-31	325.59
1982-12-31	304.94
1983-12-31	251.83
1984-12-31	226
1985-12-31	186.45
1986-12-31	143.37
1987-12-31	127.55
1988-12-31	118.73
1989-12-31	110.26
1990-12-31	100
1991-12-31	88.84
1992-12-31	81.8
1993-12-31	75.37
1994-12-31	70.29
1995-12-31	68.2
1996-12-31	67.02
1997-12-31	65.66
1998-12-31	61.77
1999-12-31	61.41
2000-12-31	57.8
2001-12-31	57.4