| Firm Age in Years | Percentage Company Ownership | ||||
| Foreign | Local | Joint | Others | Total | |
| 5 and Below | 5 | 2.5 | 0 | 0 | 7.5 |
| Between 6 to 10 | 15 | 27.5 | 5 | 2.5 | 50 |
| Between 11 to 15 | 12.5 | 7.5 | 7.5 | 0 | 27.5 |
| Between 16 to 20 | 7.5 | 5 | 2.5 | 0 | 15 |
| Total | 40 | 42.5 | 15 | 2.5 | 100 |