CREATE TABLE table_18524_6 (tourism_receipts__2011___us VARCHAR(255), tourism_receipts__2003___as__percentage_of_gdp_ VARCHAR(255))
Name the total number of tourism receipts 2011 where tourism receipts 2003 13.5
    
SQL: SELECT COUNT(tourism_receipts__2011___us) AS $_per_capita_ FROM table_18524_6 WHERE tourism_receipts__2003___as__percentage_of_gdp_ = "13.5"