2006

6.9

2005

7.7

1944

7.6

1960

6.7

1976

6.4

1971

5.2

1975

6.1

2004

7.7

2008

6.6

1963

7.9

2009

5.0

1977

7.2

1975

8.0

2007

7.2

2017

7.0

1999

7.1

1975

0.0

1963

6.3

2006

7.5

2005

7.1