1980

6.6

1982

6.4

2003

6.4

2024

6.5

2004

7.8

1993

7.6

1959

8.0

1962

7.9

1960

7.5

2006

7.0

2003

7.0

1991

7.5

2006

7.4

1988

6.7

1967

6.9

1956

6.7

2005

6.3

2006

5.1

2016

0.0

1962

7.7