2021

8.0

1959

8.1

2013

6.1

2006

7.2

2014

5.7

1990

7.0

1957

6.7

2008

6.3

1996

5.4

1981

7.1

1987

5.7

2020

7.4

1923

6.5

2000

6.9

2010

6.2

2002

7.4

2004

6.2

1969

7.1

2007

7.3

2019

6.6