2012

5.5

1983

4.4

1994

6.7

2003

7.0

2011

3.5

1986

7.1

2004

5.7

2009

6.5

2004

0.0

1963

7.0

1981

5.7

1981

7.0

2008

6.3

1968

6.7

1989

2.5

1997

6.5

2006

6.1

1967

6.3

1990

6.4

1984

7.2