2000

6.9

2019

8.1

2017

7.4

2021

6.6

2023

7.7

2017

7.6

1976

8.1

2014

7.8

1955

7.4

1994

8.5

2018

8.4

2013

8.0

2016

8.5

2008

5.9

2025

7.4

2016

7.6

2009

6.7

2015

6.5

1994

8.7

1982

7.9