1992

7.2

2009

7.5

2013

6.0

2001

5.0

1972

8.7

2022

8.2

2015

7.9

2024

6.7

2019

8.1

2024

8.1

2017

7.6

2014

8.5

2019

8.5

2010

8.4

2017

6.9

2019

7.8

2022

7.4

2018

6.6

2022

6.8

2025

6.9