1971

5.4

1959

0.0

1974

6.8

1993

4.5

1962

7.2

1973

7.1

1984

8.2

1985

7.5

1994

8.4

1950

3.5

1963

0.0

1990

7.0

1989

5.6

1985

6.0

1976

0.0