CREATE TABLE table_41631 ("Rank" FLOAT, "Location" TEXT, "Total Passengers" FLOAT, "Annual change" TEXT, "Capacity in use" TEXT)

What is the average rank of the airport with a 9.3% annual change?
SELECT AVG("Rank") FROM table_41631 WHERE "Annual change" = '9.3%'
SELECT AVG("Rank") FROM "table_41631" WHERE "Annual change" = '9.3%'