2019

8.7

2005

9.7

1993

7.4

2017

7.7

2016

7.5

1985

6.3

2019

6.5

1986

6.4

1956

6.4

2020

6.0

2015

4.0

1991

6.2

2008

6.8

1969

6.3

2016

8.5

2015

6.7

1977

5.5

1967

5.0

2004

6.5

2020

6.3