Table 4

 Dry cleaners and other workers in dry cleaning shops by length of employment

Data sourceLength of employmentTotalTotal %
1–4 y5–9 y10–14 y15 y+Unknown*
*We know from the census forms that these people worked in a dry cleaning shop in 1970.
†Possible years of registration 1964–79, see text.
‡Hammershøy E. [The Danish Laundry and Dry Cleaning Industry]. Copenhagen: Forlaget Lieber, 1971. After 1971 the 34 persons were looked up in the telephone books as well.
Pension scheme†24451038247
Biography book‡098173419
Telephone book11124114727
Only 1970 census13137
Total %143724187176100