What is the year that saw a passenger change of +32,9%?
CREATE TABLE "statistics_for_airport_koltsovo" (
  "year" real,
  "total_passengers" text,
  "passenger_change" text,
  "domestic" text,
  "international_total" text,
  "international_non_cis" text,
  "aircraft_landings" text,
  "cargo_tonnes" text
);
SELECT COUNT("year") FROM "statistics_for_airport_koltsovo" WHERE "passenger_change"='+32,9%';