2011

8.7

2012

8.0

2011

4.0

1992

6.8

2020

7.7

1983

7.7

1985

7.8

1996

9.0

2010

6.0

2018

7.8

2020

8.0

1983

7.3

2018

5.4

2001

7.4

2015

7.0

1996

8.1

2003

7.5

2005

5.2

2013

7.2

2016

0.0