Table:
text: Ukrainian Naval Aviation
Aircraft inventory
Aircraft inventory
Aircraft Origin Type_ Versions In_service
Antonov An-2 Colt Soviet Union Transport An-2 1
Antonov An-12 Cub Soviet Union Transport An-12 0
Antonov An-24 Coke Soviet Union Transport An-24 1
Antonov An-26 Curl Soviet Union Transport An-26 2
Beriev Be-12 Mail Soviet Union Amphibious anti-submarine / patrol aircraft. Be-12 4
Kamov Ka-27 Helix Soviet Union anti-submarine/SAR Helicopter Ka-27PL/PS 16
Kamov Ka-29 Soviet Union Assault transport helicopter Ka-29 16
Mil Mi-8 Hip Soviet Union Transport Helicopter Mi-8 8
Mil Mi-14 Haze Soviet Union Amphibious anti-submarine Helicopter Mi-14PL 14

Question: How many Antonov An-2 Colt aircraft are in service with the Ukrainian Naval Aviation?