2018

10.0

1994

8.5

2008

7.6

1991

8.3

2012

6.6

2012

7.3

2019

8.0

2018

7.5

2015

7.0

2014

7.9

2000

8.2

1975

7.8

1995

8.2

1980

8.4

2017

7.6

2014

8.0

2012

8.2

2019

8.5

2009

8.2

2013

6.3