1976

0.0

1973

5.2

1975

7.2

1986

6.5

2023

2.0

1992

7.0

1988

6.4

1987

6.9

1969

2.3

1976

3.0

1994

8.4

1989

5.8

1971

7.3

1951

5.8

1973

9.0