2015

8.2

2009

7.7

2011

7.5

2015

7.0

2014

6.7

2001

7.4

2005

8.0

1993

7.1

2005

7.6

2002

7.9

2019

6.3

2007

7.9

2009

8.0

2014

7.5

2015

8.1

1997

6.6

2014

8.3

2010

8.1

2000

7.7

2015

6.3