2014

8.0

1965

6.8

2013

8.1

2010

6.6

2006

7.8

2012

6.4

1977

7.6

2009

7.5

2014

6.4

1992

5.0

2007

5.4

2011

6.9

2003

5.9

2014

7.8

1964

7.0

2023

7.1

2009

7.9

2011

7.1

2014

8.5

2001

9.9