1988

5.4

2009

6.6

1981

7.3

1990

6.7

2003

6.1

2025

0.0

1983

7.3

2017

6.2

2016

5.6

2014

7.6

1973

5.7

1971

6.6

1993

5.9

2008

4.8

2021

8.0

2022

9.0

2008

6.1

2003

6.4

1987

6.3

2005

3.2