1949

8.0

2003

6.8

1989

5.1

1926

7.4

1963

6.5

2009

5.4

1975

7.9

1980

6.8

1940

7.3

1971

6.6

1951

7.4

1920

7.4

2000

6.3

2020

6.8

1963

7.2

1985

7.8

2019

7.6

1965

6.8

1952

7.8

1967

7.2