2001

7.0

2006

5.2

2005

6.2

1982

6.4

1967

7.3

1969

0.0

1931

6.8

2006

5.8

2003

6.9

1963

7.2

1986

7.0

2007

7.3

2007

5.4

1988

7.1

2008

6.6

2017

7.8

2006

5.1

1987

7.7

1950

6.6

2005

6.4