Year	Average 1990 = 100
1975-12-31	75.45
1976-12-31	82.81
1977-12-31	83.54
1978-12-31	86.37
1979-12-31	86.97
1980-12-31	83.46
1981-12-31	84.61
1982-12-31	89.11
1983-12-31	87.28
1984-12-31	86.08
1985-12-31	90.73
1986-12-31	97.28
1987-12-31	99.78
1988-12-31	96.54
1989-12-31	100.35
1990-12-31	101.04
1991-12-31	100.98
1992-12-31	104.57
1993-12-31	104.3
1994-12-31	106.56
1995-12-31	109.24
1996-12-31	104.92
1997-12-31	101.2
1998-12-31	103.13
1999-12-31	98.49
2000-12-31	98.22
2001-12-31	97.9