2015

6.9

2015

8.0

2016

5.9

2017

6.5

2022

7.1

2008

6.2

2009

6.7

2019

6.3

1992

6.9

2017

6.3

2009

6.6

1983

6.7

2010

5.6

2005

6.8

1956

6.5

1995

5.9

1947

7.5

2017

7.4

1964

7.0

1998

6.1