1967

3.1

1968

4.1

1922

6.1

2021

5.1

1973

5.3

1916

6.3

1970

3.3

1960

6.2

1973

3.8

1987

3.8

1975

5.1

1972

4.5

1965

6.0

1976

2.5

1920

4.9

1928

6.0

1933

5.3

1918

6.7

2010

5.2

1967

3.7