2006

6.8

2003

6.8

2009

5.0

2020

5.6

2017

4.6

2016

7.5

2015

6.6

2012

9.8

2007

5.0

1977

5.0

0.0

2021

6.1

1985

6.1

6.7

2014

10.0

1992

6.5

2019

10.0