1983

6.6

1976

9.0

2000

0.0

2025

0.0

1987

6.3

2005

5.8

1981

7.1

2003

7.0

1993

7.8

2005

6.3

2019

7.0

1997

5.9

1977

7.1

1973

7.9

2015

7.6

2000

6.3

1995

6.3

2004

6.8

2023

6.4

1975

7.9