2019

8.2

2019

6.6

1991

7.6

1999

7.5

2012

8.4

2014

8.1

1988

7.6

2013

8.6

2020

7.7

1972

7.7

1979

7.5

2017

6.8

2012

7.9

2013

7.0

2015

7.8

2016

7.7

2011

7.2

2017

6.4

1984

7.8

2011

7.1