1981

0.0

2017

6.0

2019

7.7

1984

6.0

1984

6.4

1983

6.9

1991

7.5

1982

7.0

1980

0.0

2004

2.7

1987

4.6

1989

2.0

1987

6.3

1985

6.8

2006

5.8

1988

6.9

1981

0.0

2007

1.2

1985

6.7