2019
7.1
2017
6.2
6.3
2018
6
2009
7.2
5.3
5.4
2016
4.2
4.5
6.1
4
5.1
4.4
5.2
4.8
1991
8.3
1998
6.6
5.5
4.6
6.8
2014
