1970

6.0

2017

7.6

2022

4.9

1989

6.0

2020

7.4

2023

8.7

1992

6.5

2001

6.2

2014

7.2

1951

5.8

2024

6.3

1949

7.1

1975

6.0

2010

6.6

1976

6.1

2024

9.9

2019

5.7

2021

5.7

2015

6.4

2017

7.9