1995

6.6

1966

7.2

1962

7.3

2001

7.8

1999

5.7

1988

7.5

1981

0.0

2007

6.9

2003

5.8

1961

6.8

0.0

1940

8.5

1939

6.0

2018

7.6

2004

7.2

1948

2.0

1998

7.3

2009

7.8

1979

7.6

1970

6.6