1952

7.6

1968

6.5

2019

7.7

2004

7.7

2021

7.3

1947

7.0

2023

6.2

2000

6.3

2023

6.3

2022

6.9

2024

7.1

1989

7.0

2020

6.5

2022

5.8

2019

6.2

1950

6.6

1977

5.7

2022

5.7

1990

6.9

2020

7.4