2003

6.0

2001

7.2

5.7

1976

4.8

2010

6.6

2002

5.5

1967

6.6

2017

5.6

2017

7.9

1986

6.2

1963

7.0

2009

8.5

1997

6.6

2007

5.2

6.0

2012

5.5

5.3

2003

7.0

2014

6.5

1990

5.7