1932

7.3

1951

7.7

1988

7.5

1971

7.2

1999

7.0

1982

8.1

1999

7.2

2000

7.4

2025

6.2

1954

8.0

2007

6.4

1963

6.7

1978

6.9

1974

7.1

1964

6.8

2006

4.3

2002

6.8

1975

6.7

2009

6.7

0.0