2014

5.0

1963

7.0

2010

8.2

2013

5.7

2010

7.3

1985

8.3

1974

6.5

1968

6.5

1999

7.5

1989

8.4

1973

7.7

1975

7.9

2010

6.0

2008

6.2

1966

6.6

2004

6.8

1988

6.3

2008

7.5

2009

7.2

2006

6.4