1944

7.0

1989

6.7

2003

6.6

1942

7.3

1941

4.3

1980

6.6

1982

6.4

1991

7.3

1994

8.5

1987

7.1

1975

7.8

1998

6.5

1965

5.3

1923

7.5

1990

7.4

1992

6.7

2006

7.7

2000

7.3

1969

6.8

1958

6.6