1985

4.1

2016

0.0

2006

6.2

2006

5.2

2004

5.5

1985

7.4

1988

6.6

2002

6.0

2005

5.1

2012

6.8

2001

9.0

1997

0.0

1955

0.0

1998

6.0

2017

6.7

2020

4.4

2016

0.0

1968

6.2

2014

9.0

2011

8.0