2007

7.6

1991

7.0

2020

5.7

1998

4.2

2017

0.0

2017

6.1

2008

8.1

2020

6.8

2006

7.9

1982

0.0

2001

8.2

2005

8.3

1995

7.7

2003

7.3

2014

5.9