1992

6.4

2022

6.1

2013

4.8

2005

7.8

2017

4.9

1966

6.1

2019

6.3

2021

6.8

2003

6.0

2010

7.7

1969

6.6

5.6

2020

6.7

1971

7.7

2007

7.1

2023

6.8

1988

5.1

2024

7.1

2009

5.2

2014

6.3