1952

5.4

1949

6.1

1968

4.2

1996

6.6

1998

6.9

2022

6.6

1939

7.2

1946

7.4

2002

7.3

1973

7.5

1936

5.6

2003

7.2

2018

6.8

1991

6.3

1950

6.0

1980

8.1

1955

6.0

1958

7.2

1998

7.2

2016

6.2