CREATE TABLE table_202_28 (id NUMBER, "year" NUMBER, "output growth rate %" NUMBER, "unemployment rate %" NUMBER, "inflation rate %" NUMBER)

what year had the highest unemployment rate ?
SELECT "year" FROM table_202_28 ORDER BY "unemployment rate %" DESC LIMIT 1
SELECT "year" FROM "table_202_28" ORDER BY "unemployment rate %" DESC FETCH FIRST 1 ROWS ONLY