Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Model | Origin | Type | Versions | In Service | Notes |
| --- | --- | --- | --- | --- | --- |
| Vought F-8 Crusader | United States | Air superiority fighter/Interceptor aircraft | F-8P | 35 | Placed in open storage 1988-01-23 at Basa Air Base. They suffered irreparable damage from Mt. Pinatubo's eruption on 1991-06-15. |
| Northrop F-5 Freedom Fighter | United States | Fighter/Bomber | F-5A\nF-5B | 37 | Retired. The 10 remaining F-5s, out of a total of 37 acquired by the Philippine government from 1967 to 1998, were decommissioned in a ceremony in September 2005 |
| North American F-86 Sabre | United States | Fighter/Bomber | F-86F\nF-86D | 50\n20 | Replaced by the Northrop F-5A |
| North American P-51 Mustang | United States | Fighter | P-51D | 103 | PAF's 1950s Fighter, replaced by F-86 Sabre |
| North American T-28 Trojan | United States | Trainer/Light strike aircraft | T-28A\nT-28D | 20\n24 | Replaced by OV-10 Bronco |
| North American T-6 Texan | United States | Trainer aircraft |  | 38 |  |
| Beechcraft T-34 Mentor | United States | Trainer aircraft |  | 36 | Replaced by the SF-260 |
| Lockheed T-33 Shooting Star | United States | Trainer aircraft | T-33A\nRT-33A | 25\n2 | Replaced by the S-211 |
| Douglas AC-47 Spooky | United States | Close air support aircraft |  | 11 |  |
| Douglas C-47 Skytrain | United States | Military transport aircraft |  | ? | Replaced by the C-130 |
| de Havilland Canada DHC-2 Beaver | Canada | Military transport aircraft |  | ? | Replaced by the C-130 |
| Grumman HU-16 Albatross | United States | Military transport aircraft | HU-16B | 6 |  |
| NAMC YS-11 | Japan | VIP transport |  | ? |  |
| Stinson L-5 Sentinel | United States | Liaison aircraft |  | ? |  |
| Sikorsky S-62 | United States\n\n Japan | Multipurpose utility helicopter\n\nMultipurpose utility helicopter\n\nVIP transport | S-62A\n\nS-62J | 1\n\n2 |  |
| Sikorsky H-34 | United States | SAR Helicopter |  | ? |  |
| Sikorsky H-19 | United States |  |  | ? |  |
| Bell 212 | United States | Utility helicopter |  | 1 | A presidential aircraft that crashed in Benguet Province. |
| Aérospatiale SA 330 Puma | France | Presidential helicopter | SA 330L | 2 |  |
Question:
how many aircraft does the united states have listed?
Answer:
16