1980

6.9

1965

7.8

1973

5.0

2009

6.6

2019

7.7

2002

6.5

2021

0.0

2014

6.3

2020

6.6

1998

8.2

2017

6.7

1975

6.6

1959

7.0

2022

3.5

2024

6.7

2024

6.4

2018

8.4

2018

6.0

2012

8.1

2025

8.0