1970

4.5

1971

6.3

1968

5.2

1961

9.0

1968

6.6

1962

6.1

2022

5.0

1972

7.0

1982

6.0

1982

5.7

1973

6.5

1987

3.0

1987

0.0

1974

4.7

1982

5.5

1979

5.0