2013

9.0

1979

7.1

1976

6.5

1966

6.1

1949

7.5

1968

7.6

1990

6.1

2009

8.8

1960

6.2

1925

7.3

2006

6.6

2020

7.4

1982

6.5

1999

7.2

1974

7.0

1928

7.0

2020

6.9

1976

7.6

1971

6.8

2007

8.2