2012

6.5

1972

8.7

1995

8.0

1987

6.5

1992

6.7

2001

7.7

1936

8.3

2016

7.6

2006

6.4

2003

6.5

1996

7.9

2011

7.2

2013

5.6

1979

8.1

2013

5.3

2006

7.0

1960

8.4

2004

7.4

1977

8.2

1991

8.1