2000

6.3

1982

6.1

1973

4.8

2006

5.1

2007

5.0

2015

1.0

2020

7.3

2017

4.5

2014

5.8

2025

0.0

2023

0.0

1989

5.0

2009

6.5

1980

6.3

1979

6.7

1977

6.8

1976

4.8

2016

4.0

1996

6.8

2004

5.9