1990

7.2

2012

5.9

1974

7.8

1978

5.0

1980

6.3

1975

7.2

1975

6.0

2002

5.8

2008

0.0

1989

8.0

1999

4.5

1992

4.4

2013

0.0

1974

6.3

1975

7.0

1984

6.0

1980

6.7

1976

8.0

1985

8.0

1990

7.0

1983

6.4

1981

6.5

2019

9.5

1980

6.4

1999

5.8

1974

7.5

1987

7.8

1979

6.0

1990

6.2

1982

5.6

2014

7.2