| Value | Category | Cases | |
|---|---|---|---|
| 1 | Telephone | 192 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    
| 2 | 5 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 3 | SMS | 10 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 4 | WhatsApp\skype | 1455 | 
                                                                 
                                    
                                    79.9%
                                 
                                                             | 
                                                        
                    
| 5 | Through a school-specific application | 147 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    
| 6 | Other | 11 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6889 |