1981

8.0

1980

4.2

1982

0.0

1987

5.8

2014

7.8

2005

6.8

1990

7.4

1996

5.0

1992

7.5

1990

7.5

2018

8.4

1982

4.5

1986

3.9

1986

5.8

1981

5.1

1982

5.9

1983

4.4

2008

0.0

1981

5.3

1997

4.0

1982

5.5

1985

6.0

1983

5.7

1979

7.0

1979

7.7

1992

6.5

2001

6.9

1981

5.9