CREATE TABLE table_15152 ("Year" FLOAT, "Team" TEXT, "Co-Drivers" TEXT, "Class" TEXT, "Laps" FLOAT, "Pos." TEXT)

How many laps were driven by the racer who earned 4th place in 2013?
SELECT COUNT("Laps") FROM table_15152 WHERE "Pos." = '4th' AND "Year" > '2013'
SELECT COUNT("Laps") FROM "table_15152" WHERE "Pos." = '4th' AND "Year" > '2013'