2017

8.0

2007

10.0

2020

5.8

2009

8.5

2019

6.3

2003

5.8

2012

6.3

1972

6.4

1929

6.2

1993

7.7

1950

6.6

1969

4.7

5.0

1989

6.5

2014

4.3

2020

7.7

2019

7.2