1980

8.1

1989

7.5

1977

0.0

1948

5.0

2021

6.9

1995

6.5

2002

7.7

1997

6.6

1992

7.4

2023

7.3

2003

6.1

1940

7.0

2002

7.3

1998

7.2

1968

0.0

1956

5.6

1973

7.5

1974

6.5

1949

6.1

1958

6.4