1994

8.4

1993

7.1

2002

7.6

1989

8.0

1960

7.4

1999

8.2

2023

7.5

1996

7.5

2010

7.7

1980

8.3

2023

5.4

2014

7.7

2020

8.2

2016

8.6

1990

7.9

2013

8.5

2007

7.7

2001

7.7

2023

7.2

2002

8.3