1966

7.7

1968

5.5

1967

6.9

2001

4.0

1930

7.3

2009

6.0

1998

4.1

1983

6.0

1993

4.1

2005

4.9

2025

6.0

1995

6.5

2003

5.0

1978

6.1

2003

6.0

2025

0.0

2014

6.4

2002

4.3

1987

5.2

2024

5.2