2004

6.3

1977

7.7

1994

6.8

1973

7.4

1990

8.5

2005

6.7

1998

6.6

1995

7.5

1998

6.4

1997

8.4

1982

6.4

2001

7.9

1940

7.9

1959

8.1

1980

7.9

2000

6.3

2000

6.7

1999

5.4

2023

0.0

1924

7.3