1996

3.7

1990

6.9

1958

7.0

2008

6.3

1945

7.7

1995

6.2

1993

7.4

1946

8.3

1945

7.6

1986

7.9

2003

5.8

1995

8.2

1945

7.4

1932

7.8

1979

5.7

1951

7.2

1969

0.0

0.0

1962

6.6

1993

6.7