1948

7.4

1980

6.8

1987

6.5

2003

6.8

1951

7.4

2022

6.9

2009

5.4

1949

8.0

1974

7.0

1986

6.6

1965

7.5

1932

7.8

1959

7.3

1994

7.4

1952

6.7

2020

6.0

1940

7.0

1933

7.6

2015

7.4

2015

6.1