2021

7.1

2004

6.1

1997

6.9

1967

6.5

2016

6.8

2018

5.7

2008

5.7

2023

6.6

2003

7.3

1984

6.8

2022

7.8

1965

8.0

2020

6.9

2014

6.7

1976

6.7

2001

6.4

2017

8.0

2022

6.0

1955

7.2

2021

7.2