How many total families are there in regions with 5.8 percent of the population being made up of deportees?
CREATE TABLE "table1_16048129_5" (
  "region_of_ussr" text,
  "number_of_families" real,
  "number_of_people" real,
  "average_family_size" text,
  "pct_of_total_deportees" text
);
SELECT COUNT("number_of_families") FROM "table1_16048129_5" WHERE "pct_of_total_deportees"='5.8';