How many population total figures are there for the year when Allora's population was 2132?
CREATE TABLE "population" (
  "year" real,
  "population_region_total" real,
  "population_stanthorpe" real,
  "population_warwick" real,
  "population_allora" real,
  "population_glengallan" real,
  "population_rosenthal" real
);
SELECT COUNT("population_region_total") FROM "population" WHERE "population_allora"=2132;