| Value | Category | Cases | |
|---|---|---|---|
| 900 | 
                                    
                                    93.9%
                                 | ||
| Afraid of his/her teacher | 2 | 
                                    
                                    0.2%
                                 | |
| Don't know his/her teacher back to school | 1 | 
                                    
                                    0.1%
                                 | |
| Had event at home | 2 | 
                                    
                                    0.2%
                                 | |
| Move to live in the other place | 1 | 
                                    
                                    0.1%
                                 | |
| No commitment to study | 1 | 
                                    
                                    0.1%
                                 | |
| No ride | 2 | 
                                    
                                    0.2%
                                 | |
| Rain | 14 | 
                                    
                                    1.5%
                                 | |
| Sick | 30 | 
                                    
                                    3.1%
                                 | |
| Teacher was absent | 3 | 
                                    
                                    0.3%
                                 | |
| Visit his/her relatives | 1 | 
                                    
                                    0.1%
                                 | |
| Wake up late | 1 | 
                                    
                                    0.1%
                                 |