1987

8.1

2003

6.2

1982

7.6

1988

7.6

1970

7.6

2017

7.2

2008

6.5

1966

8.2

1994

6.8

1990

6.1

1947

7.4

1976

7.6

1949

7.5

1952

8.3

1961

7.9

1949

7.5

1948

7.6

2003

7.5

1986

7.4

1963

7.1