1982

6.7

1940

7.9

1956

7.7

1992

6.9

1958

8.2

2009

6.1

1935

7.3

1943

8.2

1946

7.7

1947

6.5

2014

5.6

1950

6.2

1951

6.7

1951

6.6

1947

4.8

1946

7.1

1951

7.2

1953

6.1

1949

5.8

1970

3.7