2020

6.5

2003

6.8

1971

6.1

2013

6.7

2003

6.2

2017

6.5

1988

6.5

2017

6.6

1988

6.7

2003

7.5

2000

5.2

2017

6.6

1993

6.5

2005

5.2

1982

7.6

1976

6.9

1957

8.3

1989

6.2