2006

9.8

1964

7.0

1996

7.4

2016

7.4

2009

8.5

1966

6.3

1942

5.8

1968

6.9

2017

6.4

2009

5.7

2016

9.7

1920

7.9

1962

6.7

2020

6.0

2007

6.8

2020

6.7

2018

9.0

1967

7.5

1984

9.2