2018
8.4
2020
6.1
2019
6.2
2009
5.2
2006
7.7
2019
6.1
2011
6.8
2017
6.2
2004
6.5
2007
7.2
2019
6.7
1965
7.0
2013
7.7
2012
6.6
2009
7.9
2019
5.7
2019
6.4
2019
4.6
1970
6.0
2013
7.1
1999
7.0
2020
5.7
2012
6.9
2016
7.0
1998
6.7
1997
7.3
2009
5.7
1996
5.8