1949

6.2

1975

6.8

1968

4.8

1974

6.3

2021

6.3

1959

8.1

1929

6.5

1995

7.8

1932

6.7

1962

7.7

1988

7.1

1993

7.4

1989

7.6

2009

6.2

2018

5.7

1928

7.3

1990

6.9

1966

6.7

1996

5.9

2018

6.2