1988

5.9

2016

7.3

8.0

2021

6.2

2023

6.0

1962

7.7

1989

5.8

1967

7.9

1988

5.5

2022

4.5

2021

6.9

2024

7.6

2022

6.6

2016

6.7

1993

7.0

2019

7.7

1967

6.4

1944

7.4

1960

7.5

5.0