2006

7.9

2017

6.5

2016

6.9

2007

7.6

2015

7.5

2000

8.4

2006

9.3

2022

6.7

2023

10.0

2018

7.5

2010

7.4

2009

6.6

2010

5.5

1993

7.9

2011

6.4

1998

7.7

2016

7.2

1963

7.8

2011

7.6

1979

6.8