1993

6.2

2012

7.0

1999

5.5

1940

7.1

1980

6.9

2013

6.1

2024

8.0

2002

6.0

2008

6.3

2015

10.0

1997

6.0

1988

4.7

2001

4.3

2018

6.0

2014

4.9

1982

1.0

1968

6.2

2007

5.2

1987

5.2

2017

0.0