2019

7.6

2016

6.9

1980

8.6

2012

8.4

1973

7.0

1997

7.1

2025

9.9

2017

6.1

2022

7.5

1980

7.3

2022

8.1

2015

6.8

2008

7.7

2024

7.3

1984

7.6

2004

8.3

2012

7.7

2018

5.9

2018

6.9

2005

6.2