1968

7.4

1965

8.5

1970

7.5

2025

0.0

2017

7.2

1995

6.5

1961

8.1

1972

7.4

1930

0.0

2003

8.1

1990

7.3

1971

7.1

1994

6.8

2002

7.7

1997

6.6

1965

6.8

1972

7.4

1956

7.1

1992

6.6

1989

7.2