1982

6.0

1988

2.0

1994

1.0

1967

6.1

1977

7.0

1969

1.5

1977

6.6

1994

2.0

1978

6.1

1990

5.9

2008

5.1

1993

6.2

1966

5.5

1970

5.4

1982

6.1

1991

6.1

1979

6.7

1975

8.0

2009

6.3

1976

7.0