1961

7.3

1963

7.0

1964

7.0

1990

8.5

1995

6.6

1996

8.0

1977

7.1

1975

0.0

1978

5.9

1960

7.2

1964

7.2

1955

7.9

2020

5.0

1998

7.2

1982

6.9

1969

7.6

1988

6.1

1978

6.9

2022

6.5

1995

6.5