1994

5.0

1998

6.0

2004

7.1

2012

5.9

2002

6.0

2001

6.7

2020

10.0

1997

4.0

1981

7.8

9.0

2018

5.3

1936

7.0

2002

5.4

1955

7.7

2006

7.0

1972

5.2

1970

5.7

1996

6.2

1912

5.4