1998

6.6

1975

6.6

1981

5.9

2005

6.1

1920

7.2

1968

4.3

1966

0.0

1973

7.5

1940

7.1

1925

6.6

1974

5.9

1972

3.1

1949

4.0

1963

6.4

1937

7.0

1944

5.2

1975

7.5

1963

5.0

1970

5.5

1936

5.7