1961

5.4

1999

4.3

1980

1.0

2001

6.9

1999

7.3

1963

0.0

1998

6.2

1988

5.5

1978

4.3

2008

6.9

1990

6.8

1976

0.0

2006

5.5

1987

0.0

2010

0.0

2025

7.0

1963

6.2

1985

0.0

2024

5.0

1932

6.9