1921

5.9

2017

6.1

2004

8.4

1981

7.4

2019

8.2

1965

6.7

2012

7.7

2015

6.9

2001

6.7

2017

7.8

2008

7.4

1998

6.0

1995

8.0

1993

6.2

2016

8.4

2003

8.5

1994

8.7

1973

6.5

2006

6.2

1989

7.8