Dimitrova said the probable reason is that answering the question about ethnicity was optional; many Roma probably declared themselves as Bulgarians or belonging to other ethnic groups.
Dimitrova a spus că motivul probabil este faptul că răspunsul la întrebarea privind etnia a fost opţional; mulţi rromi s-au declarat probabil bulgari sau aparţinând altor grupuri etnice.