2006

6.6

2017

5.2

2006

5.9

2003

6.0

2002

6.1

1988

4.9

2020

6.4

2019

5.9

2008

6.2

1997

6.5

2005

2.7

2025

7.5

1973

5.7

1971

6.6

1990

4.9

2018

5.5

2016

5.6

2015

0.0

2014

3.8

2017

3.1