2006

9.8

1943

7.5

1977

6.8

1989

4.9

2000

5.2

1967

7.3

1950

6.8

1993

6.8

2017

6.8

1939

7.1

1967

7.5

1973

6.9

2009

7.0

1997

6.1

1951

7.3

1999

6.4

1985

5.3

1956

7.1

1979

7.1

2009

7.4