2011

6.2

2021

7.4

2015

5.9

2007

6.1

2003

6.7

2000

6.4

2010

6.9

2013

6.4

2022

8.2

2014

6.8

2006

7.0

2010

6.2

2014

5.5

2003

6.5

1979

7.3

2015

6.3

2022

6.0

2010

6.0

2008

6.7

2013

6.7