2006

6.1

2000

7.4

1999

6.8

1962

7.3

2004

7.2

1988

7.2

1940

7.9

2002

6.7

1965

7.6

1968

7.1

1961

7.7

2006

7.1

1936

6.0

2025

0.0

2006

7.1

2015

7.0

1983

6.8

2017

7.4

1995

7.7

1979

7.7