1985

6.1

1972

6.6

2018

6.5

6.6

2023

6.5

1972

6.3

2020

6.4

2015

6.6

2016

6.7

6.6

1980

5.9

2024

7.2

1955

7.4

7.0

1953

4.8

2024

6.9

7.8

2023

6.8

2006

6.1