1912

6.1

1988

6.5

1993

6.6

1989

4.9

2013

6.5

1966

6.2

2011

6.5

2018

6.1

1993

6.5

2001

5.2

1996

7.1

1991

6.2

2010

6.0

1985

6.7

2022

6.2

1994

6.7

2003

5.2

1982

6.2

2005

5.7

1980

6.9