2009
6.6
2010
5.3
2015
5.1
2014
3.7
2016
5.5
2017
5.8
2014
6.0
2015
5.2
2025
6.5
2023
6.1
1997
6.5
2010
6.1
1986
6.6
2018
6.9
2018
7.5
2016
6.5
2017
6.2
2014
3.9
2013
6.7
2001
7.2
2017
6.3
2013
7.1
2018
5.1
2018
6.8
2018
5.6
2013
6.3
2019
6.7
2018
6.8