7.2
2023
6.9
2023
7.8
2023
7
2023
7.5
2023
8.3
2022
7
2022
2022
6.4
2021
4.2
2021
7.5
2021
2021
2021
6.4
2019
7.1
2019
6.7
2019
8.3
2019
7.4
2019
6.9
2019
2018
7.2
2018
6.9
2018
7.5
2018
7.3
2017
6.4
2018
6.5
2017
6.7
2018
6.8
2017
7.9
2016
6.3
2015
7.2
2014
7.5
2014
7.2
2014
6.7
2011
6.9
2011
7.4
2011
7.6
2010
8.1
2010
7.4
2008
6.8
2008
7.1
2007
7.0
2007
7.6
2006
6.4
2005
8.3
2005
6.7
1999
6.7
1998
7.2
1998
7.3
1997
6.8
1996
6.9
1994
7.8
1993
6.5
1991
6.5
1989
6.8
1989
7.7
1988
6.3
1985
6.8
1983
7.7
1979
6.6
1975