CREATE TABLE table_31341 ("Rank 2012" FLOAT, "Country" CLOB, "UNWTO Region" CLOB, "International tourism expenditure 2011" CLOB, "International tourism expenditure 2012" CLOB, "% change" CLOB)

How many countries spent $83.7 billion on international tourism in 2012?
SELECT COUNT("% change") FROM table_31341 WHERE "International tourism expenditure 2012" = '$83.7 billion'
SELECT COUNT("% change") FROM "table_31341" WHERE "International tourism expenditure 2012" = '$83.7 billion'