2008

6.3

2003

5.9

1990

7.0

2009

6.5

2020

6.4

1970

5.7

1987

5.4

2001

5.0

2017

6.9

1980

4.3

2021

6.5

2006

4.9

2013

0.0

2019

0.0

2018

9.5

2006

6.0

2009

7.0

1973

6.6

2017

5.4

2012

5.6