| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Not available | 10 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    
| -2 | No answer | 39 | 
                                                                 
                                    
                                    3.9%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 200 | 
                                                                 
                                    
                                    20%
                                 
                                                             | 
                                                        
                    
| 1 | France | 94 | 
                                                                 
                                    
                                    9.4%
                                 
                                                             | 
                                                        
                    
| 2 | China | 140 | 
                                                                 
                                    
                                    14%
                                 
                                                             | 
                                                        
                    
| 3 | India | 517 | 
                                                                 
                                    
                                    51.7%
                                 
                                                             |