6.7
2023
5.4
1992
6.2
2023
6.6
2023
2023
6.8
2022
6.4
2022
2022
7
2022
7.0
2022
6.9
2021
5.3
2021
6.9
2021
2021
6.2
2020
4.1
2020
3.5
2020
7.4
2020
6
2019
7.3
2019
5.7
2019
4
2019
3.3
2019
5.2
2018
6.6
2018
6.8
2018
7.6
2018
6.5
2018
7.5
2018
7.7
2017
7
2017
5.7
2017
5
2017
6.6
2017
6.3
2017
6.2
2016
5.7
2016
6
2015
6.5
2013
6.5
2013
6.1
2013
6.6
2012
3.5
2012
6.1
2012
6.8
2012
6.9
2012
6.5
2012
6.6
2010
5.9
2009
6.3
2008
6
2008
6.5
2008
6.8
2007
6.5
2006
6.8
2004
7.7
2000
6.7
2000
7.7
1998
3.9
1992
6.4
1988
6.7
1987
7.2
1985
7
1979
6.5
1975
7.9
1965
7
1949
