2012

9.4

1990

5.8

1982

6.9

2020

7.0

1994

6.5

1977

6.7

2012

9.8

2004

10.0

2006

9.8

1968

6.9

2017

6.0

1970

6.0

2003

7.8

2008

5.2

1998

6.0

1987

7.5

1997

7.5

1962

7.7

1963

7.7

1996

7.5