2012

9.0

1997

6.4

1998

7.8

1973

8.0

1985

6.7

1934

7.5

2012

6.3

1985

6.6

2012

5.9

2004

6.0

1963

7.1

2010

6.8

1994

7.0

2008

8.0

2012

6.0

2005

7.2

2015

5.8

2010

7.3

1999

7.8

1969

7.6