1982

6.6

1992

8.6

1982

7.6

2015

6.8

1988

5.5

1983

0.0

1979

6.7

1984

7.3

2005

7.0

1985

5.6

1984

6.8

1996

7.6

1978

7.2

1990

6.2

1977

6.3

1982

7.4

1979

6.5

1994

7.2

1991

4.1