2005

4.2

1984

6.8

1976

7.3

1965

8.0

1998

6.2

2013

7.3

1997

7.7

2008

5.7

1955

7.2

2003

7.3

2018

7.4

1960

7.5

2019

7.4

1992

5.0

2022

6.8

2025

6.3

2011

6.9

1939

7.5

2021

7.8

2023

7.1