1943

8.2

1999

6.1

1965

7.2

2008

6.2

1951

5.2

2006

6.0

2020

8.2

2008

6.4

1970

5.3

2020

6.2

1977

5.8

1958

0.0

1954

4.8

2009

0.0

1975

8.8

1987

6.1

2010

4.0

2014

6.5

2001

6.2

2006

7.2