2002

6.3

2008

5.3

2020

7.8

2017

6.7

2013

5.0

2015

0.0

1992

4.9

2003

6.5

1981

8.5

1993

0.0

2004

3.8

2016

2.9

2008

6.8

1989

6.0

1994

7.3

2016

6.5

2004

6.4

2009

5.3

2008

5.4

2017

0.0