1971

7.8

1990

7.3

1972

6.7

2021

5.1

2019

0.0

2006

7.5

2016

1.5

2020

0.0

2001

6.2

2015

7.7

2018

2.0

1987

7.0

2025

6.0

2020

7.7

2005

0.0

2021

8.0

2014

0.0

2017

7.4

2003

5.8

1969

6.0