1947

7.0

1990

6.1

2000

6.3

1959

7.4

2016

7.9

2020

7.1

2009

5.9

2000

6.7

2009

7.3

2001

5.3

1983

7.2

2022

8.0

2019

7.7

2022

5.8

2023

5.7

1986

4.8

2022

5.7

1996

6.1

2024

7.1

1920

7.9