1976

7.4

2006

5.6

2001

6.1

2003

5.5

1997

6.6

1987

6.9

2004

5.4

1980

6.7

2022

0.0

2005

5.3

1986

6.5

2014

6.6

2025

0.0

1988

5.9

1987

6.8

1995

7.2

2016

6.0

1988

6.4

1996

6.1

2023

10.0