1978

6.1

2005

5.0

2002

4.8

2004

5.2

2024

5.9

2024

6.0

2001

0.0

2003

6.0

1991

7.4

2013

6.2

2014

6.0

1966

7.7

1967

6.9

1968

5.4

1970

3.8

1930

7.3

1993

6.0

2020

6.6

1933

3.6

2006

4.5