Table:
text: List of largest airlines in South America
Passengers carried in 2009
Passengers carried in 2009
Rank_ Airline Country Passengers_Carried Remarks Alliance
1 TAM Brazil 30407000 In process of fusion with Lan to form LATAM Star Alliance
2 Gol Brazil 28385000 N/A N/A
3 LAN Airlines Chile 15406000 In process of merger with Tam to form LATAM Oneworld
4 Avianca Colombia 10157000 It only includes Avianca Colombia Star Alliance
5 Aerolíneas Argentinas Argentina 5404639 Including Austral Skyteam (2012)

Question: What is the average rank of Gol among the passengers carried in 2009 in the list of the largest airlines in South America?