2010

8.5

2001

7.6

2008

7.3

1995

9.5

2012

7.4

2006

7.9

2020

8.0

7.3

2020

6.4

2018

7.0

2020

7.8

2015

7.0

2015

7.2

1995

7.8

2017

8.9