2012

10.0

1939

7.1

1948

7.4

2011

7.1

1987

5.3

1949

7.5

2006

6.5

2001

6.1

1975

6.8

1960

7.7

1971

6.3

1990

5.9

2010

6.6

1966

6.7

1979

6.1

1932

6.8

1944

6.9

1980

6.8

1968

7.1

1953

6.9