2006

7.5

2004

7.9

1999

8.6

2016

7.3

2001

7.6

2015

8.2

2024

8.3

2011

7.5

2004

8.9

2008

7.7

2014

8.3

2001

8.6

2024

7.3

2012

6.7

1980

8.6

2012

7.0

2007

7.4

2008

7.6

1993

7.9

2010

7.8