1977

6.3

1968

6.5

2020

7.8

1995

6.5

2021

6.8

1988

5.7

1966

7.0

1998

6.7

1968

7.0

1936

6.8

1990

6.9

2007

5.9

1955

6.6

1985

7.1

1934

7.8

1971

6.3

2018

7.4

1968

6.0

1952

6.5

1954

7.2