2000

6.0

2006

7.1

2013

5.5

2006

7.6

1975

6.5

1962

5.2

1982

5.8

2012

0.0

1963

0.0

2001

6.9

2005

4.9

1987

6.4

2009

6.0

1971

6.0

1967

6.5

1981

0.0

2009

5.7

2004

6.6

2015

0.0

1972

0.0

2011

6.0

1983

7.0

1969

5.0

1979

8.0

2010

0.0

1978

7.5

2007

6.8

2003

4.5

2011

8.1

2008

3.8

2007

8.0

2020

5.6

1983

7.5

1970

0.0

2000

7.0

1985

0.0

2008

5.5

2015

5.5