1976

7.4

1994

8.1

1980

7.0

1989

8.1

1971

6.8

1955

7.4

1983

7.0

1895

6.9

1964

7.9

1986

7.1

1946

7.6

2004

6.3

1967

7.3

2010

6.6

1976

7.3

1927

8.1

1951

7.8

1956

7.7

2014

7.4

1960

8.1