1941

8.0

2006

5.4

1956

6.5

1972

7.5

2007

7.6

2007

7.2

2002

7.5

2004

7.3

2007

7.4

1967

7.1

1991

6.3

2002

6.2

1991

7.0

1946

5.9

1989

6.4

1948

7.7

1989

7.1

1969

6.0

1978

6.5

1988

7.1