5.6

1972

4.0

1987

6.5

1969

7.9

1960

7.6

2002

4.5

1996

5.8

1993

5.8

1985

6.6

2024

5.5

2005

7.2

2005

4.9

2010

5.8

2008

6.3

2003

8.1

2014

5.3

2004

5.7

2012

6.2

2008

5.2

2003

6.6