1980

5.0

1993

6.9

1937

7.0

2000

7.7

2004

5.9

1951

5.7

2005

4.3

1968

6.9

1950

5.2

1984

5.6

1957

6.7

1965

7.2

2004

6.0

1987

6.6

1948

4.7

1999

5.5

2003

7.0

2016

4.8

1985

6.7

1991

6.0