2007

8.0

1984

7.5

2014

7.9

2025

6.9

1983

8.2

1989

8.3

1996

8.0

1980

8.4

1994

8.7

2008

8.1

2011

6.6

2023

7.7

1973

8.0

1957

8.5

2021

7.8

2015

7.5

2022

7.4

2007

7.2

1989

7.0

2014

7.7