2015

6.5

1979

6.5

1996

6.5

1988

5.5

1979

5.0

1976

8.3

1971

8.1

1972

7.8

1981

5.6

1981

6.0

2005

4.5

1983

3.3

1979

6.8

1984

0.0

1982

6.8

1990

5.1

1995

7.3

1986

7.1

1982

6.3

1990

3.9

1980

7.3

1985

8.0

1986

4.4

1974

6.2

1998

5.5

1996

6.0

1982

5.4

1986

5.6

1981

7.5

1983

4.8

1974

7.5

1990

6.9