(9) Concerning all reconstructed or completely renovated buildings, the time of reconstruction or renovation should be included. Concerning additions or completion in stages of buildings, the time period should be included during which the greatest section of the building became useable.
(9) When was the building completed?
[] Before 1880
[] 1880-1918
[] 1919-1944
[] 1945-1950
[] 1951-1960
[] 1961-1970
[] 1971
[] 1972
[] 1973
[] 1974
[] 1975
[] 1976
[] 1977
[] 1978
[] 1979
[] 1980
[] 1981