1989

8.1

1984

8.1

1969

7.0

1958

6.7

1974

7.5

2013

6.8

1960

5.0

1994

6.3

1985

6.7

1980

6.8

1973

6.9

1972

8.6

2012

4.0

1984

6.5

2002

7.9

1995

6.1

1985

7.5

1985

0.0

1997

6.5

1999

7.0