1932

7.4

1946

7.6

1995

7.9

2000

6.1

2006

6.8

1941

7.7

1986

7.6

2006

5.7

1995

8.4

1951

7.7

1958

7.4

1993

5.5

2005

6.9

1974

6.0

2024

9.0

2017

4.0

1966

7.4

1996

6.2

1990

2.5

1970

0.0