What is China's  International tourism expenditure (2011)?
CREATE TABLE "international_tourism_expenditure_2012" (
  "rank" real,
  "country" text,
  "unwto_region" text,
  "international_tourism_expenditure_2012" text,
  "international_tourism_expenditure_2011" text
);
SELECT "international_tourism_expenditure_2011" FROM "international_tourism_expenditure_2012" WHERE "country"='china';