1968

6.4

2019

5.7

1975

4.5

2024

7.0

2021

7.7

2023

7.1

2012

6.2

1992

5.4

2021

6.2

2015

6.4

2016

6.5

2020

6.0

2022

6.9

1994

4.5

2020

6.8

2014

5.6

1982

5.8

2022

5.6

1959

7.7