2007

8.2

5.0

1982

7.6

1987

7.8

1975

8.0

2015

7.5

1945

7.4

1986

7.7

1972

7.9

1960

7.8

1944

8.1

1956

7.6

2021

6.3

1981

7.1

1979

7.1

2002

4.7

1966

7.2

1997

7.1

1945

7.6