2020

6.7

2021

7.5

2018

6.0

2017

6.1

2015

8.1

2022

3.9

2020

6.7

1996

8.0

1987

6.7

2023

6.2

2012

9.3

2006

6.3

2017

7.6

2004

5.7

1977

6.2

2012

7.3

2024

7.0

1986

5.8

2009

7.1