1966

6.1

2023

6.8

1980

5.9

2020

6.4

2017

7.9

7.8

2020

6.3

2016

6.2

2022

6.3

1966

9.0

1986

5.8

2013

8.1

0.0

2012

10.0

1979

5.0

2014

6.8