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
2001
6.9
2018
5.6
2019
7.0
2020
6.8
2020
4.8
2020
4.9
2006
7.3
1999
8.7
2003
7.2
2003
6.7