1980

5.9

1983

7.5

1953

7.2

1972

7.9

2017

6.6

1966

6.2

1999

6.8

2020

6.1

1994

6.6

2016

6.1

1998

6.5

1993

6.5

1972

6.6

2007

7.4

2019

5.4

2008

5.8

2019

6.6

2017

6.2

1965

7.9

1982

6.7