SELECT COUNT(tourism_receipts__2011___us) AS $_per_capita_ FROM table_18524_6 WHERE tourism_receipts__2003___as__percentage_of_gdp_ = "13.5"
Sebutkan jumlah total kwitansi pariwisata 2011 di mana penerimaan pariwisata 2003 13.5
CREATE TABLE table_18524_6 (tourism_receipts__2011___us VARCHAR, tourism_receipts__2003___as__percentage_of_gdp_ VARCHAR)