Name the total number of tourism receipts 2011 where tourism receipts 2003 13.5
create table table_18524_6 (tourism_receipts__2011___us varchar, tourism_receipts__2003___as__percentage_of_gdp_ varchar, PRIMARY KEY (tourism_receipts__2011___us))
select count(tourism_receipts__2011___us) as $_per_capita_ from table_18524_6 where tourism_receipts__2003___as__percentage_of_gdp_ = "13.5"