2010

6.6

1955

7.2

2012

7.0

2020

6.0

1995

4.6

1989

5.5

2008

7.0

2015

6.0

2012

5.8

1953

7.2

1999

7.4

2005

6.9

1965

6.4

2009

6.1

2001

8.9

2013

6.1

2011

7.1

2012

7.0

1937

5.5

2004

7.1