1956

5.5

1990

6.1

1971

6.8

2020

6.9

1949

7.5

2006

6.6

2017

6.9

1944

6.3

1982

7.6

1960

7.7

1975

6.3

1956

6.6

1988

6.8

2005

7.5

2019

7.5

1952

7.2

1987

6.2

1997

6.2

1972

7.4

1975

6.8