1997

4.3

2021

6.2

2000

3.0

2019

0.0

1996

6.2

1974

0.0

1971

0.0

1990

6.1

1995

5.9

1976

6.0

1987

5.0

1988

8.0

2001

4.0

0.0

2025

0.0

2000

6.0

1982

0.0

2008

5.7

2008

4.7

1993

4.9

2009

4.4