1971

8.2

2016

5.9

1999

7.2

1960

8.2

1954

8.3

1981

8.1

2016

6.1

1975

8.4

2006

7.2

1950

7.6

1979

7.3

1996

7.9

1902

7.9

1975

7.8

1994

8.7

2012

7.7

2014

6.6

2020

6.7

2006

8.2

1966

7.9