2014

7.7

2005

5.8

2006

6.8

1993

6.9

1981

4.8

2012

10.0

1976

7.6

2016

8.4

2024

5.0

2016

6.3

2020

8.3

2013

0.0

2018

4.3

2009

5.7

2001

6.3

2003

6.4

1991

6.6

2017

6.6

2021

6.2

1989

3.5