2016

6.8

2018

7.6

2008

5.5

2018

5.8

2017

7.7

1995

5.0

1997

4.6

1982

5.2

2013

6.3

2009

7.1

2020

8.4

2011

4.6

1982

7.9

2018

7.0

2016

6.5

2016

5.9

2013

7.2

2000

6.1

2016

7.0

2016

5.9