| Item | No | Per |
| Less than 5 Years | 25 | 6% |
| Over 5 and less than 10 years | 41 | 10% |
| Over 10 and less than 15 years | 170 | 44% |
| Over 15 and less than 20 years | 142 | 35% |
| More than 20 Years | 20 | 5% |
|
| 398 | 100% |