1962

6.7

1961

6.4

1966

6.5

2013

7.5

1958

6.3

1983

7.2

1963

5.7

2018

6.7

1970

7.1

1962

7.2

1952

7.3

1971

7.1

1955

6.6

1964

7.2

1954

7.1

1970

7.1

1947

6.2

1962

7.6

1976

7.1

1936

7.5