1994
4.3
7.2
4.9
3.9
3.2
2.5
6.2
6.8
6.6
3.1
3.5
2019
6.9
3.7
2017
5.5
4.8
3.6
6.7
5.8
4
4.6
2010
2016
6.1
4.2
2.9
2.2
2012
5
5.2
2006
7
7.1
8
7.8