2004

8.0

2005

7.4

2021

6.5

2021

7.0

1993

7.0

1988

7.5

0.0

2005

7.6

1961

7.7

1976

7.8

1979

7.3

1982

6.9

1985

7.1

1990

5.8

1977

7.7

2007

5.6

1980

7.9

1996

5.9

2003

6.5

1987

6.4