2011

6.8

1976

4.2

2011

4.2

1994

2.0

1975

5.7

1985

4.8

2006

6.4

2001

7.2

1987

5.4

1992

5.2

1988

5.8

1980

5.0

1976

2.0

1990

0.0

1992

8.5

2014

5.0

1983

7.7

1975

0.0

1970

0.0

1969

5.4

1993

6.2

2002

5.0

1989

5.7

1977

4.0

1982

5.0

1986

6.3

1995

5.0

1976

6.0

1982

8.0

1976

4.5

1995

0.0

1995

6.2

2004

2.0

1986

5.1

1981

5.2

2004

5.9

1988

5.5

0.0

1982

6.0

1992

0.0

1985

0.0

2010

6.6

2009

3.7

1987

4.4

0.0

1975

0.0

1980

4.2

2010

6.5

2007

8.2

1981

6.8

1995

4.7

1993

3.5

1990

6.3

1963

5.9

1998

6.5

1962

6.0

1981

0.0

1988

2.0