CREATE TABLE table_71623 ("Rank" TEXT, "Region" TEXT, "Total GDP  ( \\u20ac bn  ) " TEXT, "% growth" TEXT, "Per capita" TEXT)

Which Region that has a growth of 3.6%?
SELECT "Region" FROM table_71623 WHERE "% growth" = '−3.6'
SELECT "Region" FROM "table_71623" WHERE "% growth" = '−3.6'