1974

7.5

1965

6.8

1964

6.8

1985

6.6

2002

5.5

1924

0.0

1940

6.5

1920

0.0

1949

6.9

1939

7.6

1942

6.5

2007

5.6

2007

7.0

1940

7.4

1980

6.3

1970

4.8

1976

6.2

1940

6.1

1948

6.7

1989

6.7