1979

6.4

1963

5.9

1950

6.8

2000

8.2

2022

5.0

1951

7.0

2019

7.0

2019

8.0

2004

6.8

1959

6.1

1985

6.2

1941

5.2

1941

4.0

1959

5.5

1929

0.0

1968

5.8

2007

7.4

2006

6.7

1943

2.2

1964

7.3