text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_27956_3 (national_rank VARCHAR, percentage_change_yoy VARCHAR)
  ### Question:
  Name the total number of rank for percentage change yoy 13.1%
  ### Answer:
  SELECT COUNT(national_rank) FROM table_27956_3 WHERE percentage_change_yoy = "13.1%"