1995

7.3

1947

6.0

1971

7.2

1945

7.1

1977

6.9

1986

7.6

1941

7.3

1996

6.3

2006

6.8

1970

7.5

1971

7.3

2009

7.3

2018

7.2

2010

4.6

1969

6.5

2014

8.1

1960

6.6

1982

6.8

1958

6.2

1940

6.2