2006

6.9

2007

6.0

2005

7.1

2016

5.5

2023

9.0

2014

6.4

2014

1.0

1986

7.4

2000

4.9

2013

0.0

2017

5.3

1989

4.5

2014

7.0

2014

6.3

2014

5.9

2023

5.7

2017

6.1

2016

4.4

2012

7.5

1972

6.9