1975

3.2

1978

5.6

1988

5.0

1981

8.0

1986

5.0

2022

6.5

1972

7.6

1974

8.0

1963

5.8

1964

6.2

1971

5.1

1972

5.0

1980

0.0

1969

6.2

1984

4.0