<Table> MS Oasis of the Seas <Tr> <Td_colspan="2"> Oasis of the Seas at Nassau, Bahamas, in January 2010 </Td> </Tr> <Tr> <Th_colspan="2"> History </Th> </Tr> <Tr> <Th_colspan="2"> Bahamas </Th> </Tr> <Tr> <Td> Name: </Td> <Td> Oasis of the Seas </Td> </Tr> <Tr> <Td> Owner: </Td> <Td> Royal Caribbean International </Td> </Tr> <Tr> <Td> Operator: </Td> <Td> Royal Caribbean International </Td> </Tr> <Tr> <Td> Port of registry: </Td> <Td> Nassau, Bahamas </Td> </Tr> <Tr> <Td> Route: </Td> <Td> Caribbean </Td> </Tr> <Tr> <Td> Ordered: </Td> <Td> February 2006 </Td> </Tr> <Tr> <Td> Builder: </Td> <Td> STX Europe Turku Shipyard, Finland </Td> </Tr> <Tr> <Td> Cost: </Td> <Td> US $1.4 billion (2006) </Td> </Tr> <Tr> <Td> Yard number: </Td> <Td> 1363 </Td> </Tr> <Tr> <Td> Laid down: </Td> <Td> 12 November 2007 </Td> </Tr> <Tr> <Td> Launched: </Td> <Td> 21 November 2008 (float - out) </Td> </Tr> <Tr> <Td> Christened: </Td> <Td> 30 November 2009 </Td> </Tr> <Tr> <Td> Completed: </Td> <Td> 28 October 2009 </Td> </Tr> <Tr> <Td> Maiden voyage: </Td> <Td> 5 December 2009 </Td> </Tr> <Tr> <Td> Identification: </Td> <Td> <Ul> <Li> Call sign: C6XS7 </Li> <Li> IMO number: 9383936 </Li> <Li> MMSI number: 311020600 </Li> </Ul> </Td> </Tr> <Tr> <Td> Status: </Td> <Td> In service </Td> </Tr> <Tr> <Th_colspan="2"> General characteristics </Th> </Tr> <Tr> <Td> Class and type: </Td> <Td> Oasis - class cruise ship </Td> </Tr> <Tr> <Td> Tonnage: </Td> <Td> <Ul> <Li> 225,282 GT </Li> <Li> 242,999 NT </Li> <Li> 15,000 DWT </Li> </Ul> </Td> </Tr> <Tr> <Td> Length: </Td> <Td> 361.6 m (1,186.5 ft) overall </Td> </Tr> <Tr> <Td> Beam: </Td> <Td> <Ul> <Li> 47 m (154 ft) waterline </Li> <Li> 60.5 m (198 ft) max beam </Li> </Ul> </Td> </Tr> <Tr> <Td> Height: </Td> <Td> 72 m (236 ft) above water line </Td> </Tr> <Tr> <Td> Draught: </Td> <Td> 9.322 m (30.6 ft) </Td> </Tr> <Tr> <Td> Depth: </Td> <Td> 22.55 m (74 ft) </Td> </Tr> <Tr> <Td> Decks: </Td> <Td> 16 passenger decks </Td> </Tr> <Tr> <Td> Installed power: </Td> <Td> <Ul> <Li> 3 × 13,860 kW (18,590 hp) Wärtsilä 12V46D </Li> <Li> 3 × 18,480 kW (24,780 hp) Wärtsilä 16V46D </Li> </Ul> </Td> </Tr> <Tr> <Td> Propulsion: </Td> <Td> <Ul> <Li> 3 × 20 MW (27,000 hp) ABB Azipod, </Li> <Li> all azimuthing </Li> <Li> 4 × 5.5 MW (7,400 hp) Wärtsilä CT3500 </Li> <Li> bow thrusters </Li> </Ul> </Td> </Tr> <Tr> <Td> Speed: </Td> <Td> 22.6 knots (41.9 km / h; 26.0 mph) </Td> </Tr> <Tr> <Td> Capacity: </Td> <Td> <Ul> <Li> 5,400 passengers at double occupancy </Li> <Li> 6,296 maximum </Li> </Ul> </Td> </Tr> <Tr> <Td> Crew: </Td> <Td> <Ul> <Li> 2,165 on maiden voyage </Li> <Li> 2,394 as of July 2012 </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Oasis of the Seas at Nassau, Bahamas, in January 2010 </Td> </Tr>

How many decks does the oasis of the seas have