1950

7.4

2008

6.7

2025

7.0

1932

6.9

1972

7.5

1990

6.8

1977

4.7

2008

6.9

1917

0.0

1972

7.4

2004

6.8

1994

7.2

2000

7.3

2020

8.3

1995

5.8

2007

5.9

2005

4.9

1955

6.5

2008

7.6

1998

7.4