2017

6.7

2006

6.2

2014

9.0

2002

6.0

1998

6.0

1955

0.0

2005

5.1

2012

6.4

1987

4.5

1999

7.3

1988

7.4

1993

3.5

2016

5.9

1985

7.4

1988

6.6

2019

5.8

1985

4.1

2011

8.0

2006

5.3

2004

5.5