1996

6.9

1987

7.6

1968

5.5

1993

6.9

2014

4.7

2024

8.2

1962

5.9

2007

6.6

2006

7.0

1992

7.2

2007

6.5

1991

6.4

2006

7.2

2006

7.4

1976

7.8

2006

7.9

1982

7.6

1925

8.0

1985

5.3

1995

5.0