1932

7.4

1960

8.4

1937

5.0

1931

6.3

1939

5.0

1991

6.2

1969

4.0

1937

6.2

2020

7.8

1935

4.5

2003

6.6

1957

4.3

1942

6.9

1963

5.6

1941

6.9

1963

5.9

1992

4.3

1997

6.7

2002

6.8

1989

5.9