2005

6.3

1966

8.0

1980

5.1

1965

6.4

1990

6.8

1987

6.9

1991

6.7

1999

4.5

1976

2.0

2008

5.2

1907

6.3

1982

5.5

2005

6.0

2024

0.0

1975

6.4

1988

5.0

2006

7.0

2019

6.4

2023

6.5

2011

5.8