1984

6.3

1997

5.6

1972

5.0

2005

6.1

2016

5.9

1934

6.6

1932

6.7

1967

4.1

1999

7.4

1941

5.7

1998

4.2

1936

6.3

1975

5.9

1939

6.1

1942

6.3

1959

5.3

1935

4.5

1943

6.1

1943

6.1

1945

6.3