2021

6.4

1990

7.5

1988

2.5

2000

5.0

2019

0.0

2017

2.8

2005

5.9

2007

6.3

2008

0.0

2007

3.0

2015

6.1

2010

7.5

2022

3.2

0.0

2025

6.7

2020

6.4

1979

7.3

2024

5.1

2017

0.0

2013

3.8