7.9
1974
6.7
1998
8.6
2019
6.6
2007
2017
7.1
2003
7.4
2005
7.0
1964
6.9
2014
6.1
1988
0.0
2018
5.5
2009
5.0
2006
1994
2016
2023
5.6