| Reason | lack of ability | lack of resources | worry about financial loss | lack of teacher guidance | lack of interest | lack of time, energy | delay in study | etc |
| Number of people | 790 | 729 | 591 | 279 | 101 | 93 | 67 | 60 |
| Percentage | 29.2% | 26.9% | 21.8% | 10.3 | 3.7% | 3.4% | 2.5% | 2.2% |