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_13836704_4 (aircraft_movements_2009 INTEGER, change_2008_09 VARCHAR)
### Question:
what is the maximum aircraft movements 2009 with change 2008/09 being 18.2%
### Answer:
SELECT MAX(aircraft_movements_2009) FROM table_13836704_4 WHERE change_2008_09 = "18.2%"