SUR.D6. During the last three years, has this establishment changed its main supplier of its main material input? (The main material input is the one that accounts for the largest share of input costs.)
Don't know (spontaneous)
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Question post text
If 2 or -9, GO TO QUESTION SUR.D9