1954

6.7

2001

6.8

1994

6.2

2006

6.7

1993

6.6

2017

6.6

2020

6.7

2013

6.5

2013

6.5

2015

6.1

2008

6.3

1988

6.2

1997

6.6

1990

7.0

1988

6.5

2016

6.7

2017

6.8

2003

7.3

1966

6.1

1991

6.2