1997

7.9

2019

8.5

1954

8.4

2019

7.7

2004

7.5

1985

8.3

1957

8.5

2019

8.1

2018

7.6

1994

8.7

2016

7.6

1979

8.2

2017

7.3

1999

8.4

2020

7.2

2019

7.2

2018

8.2

2018

7.4

1960

8.4

2017

7.6