2019

8.0

2012

8.3

2005

7.5

2010

7.0

2007

6.8

2013

6.6

1990

7.6

2010

7.4

2006

7.8

2017

5.7

1982

7.3

2018

8.3

2012

6.5

2017

7.0

2019

7.2

2017

6.4

2019

5.5

1981

6.7

2018

7.3

2016

6.7