2008

6.5

2012

7.0

2006

5.8

1983

7.6

1970

5.5

1990

0.0

2009

6.9

2000

10.0

1978

6.8

2009

6.5

2009

5.9

1981

7.0

2008

6.2

1969

6.4

2014

6.5

2013

7.5

2005

6.8

1968

7.4

2013

4.4

1919

0.0