1982

5.6

2014

6.6

2023

6.7

2019

0.0

2015

5.4

2017

0.0

1988

4.6

2005

7.3

1999

7.1

2014

7.1

1996

8.0

2013

0.0

2016

4.7

1990

6.4

2020

4.2

1991

7.3

2014

5.4

2017

6.4

2018

0.0

1992

7.2