| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 322 | 
                                                                 
                                    
                                    21.1%
                                 
                                                             | 
                                                        
                    
| 1 | France | 63 | 
                                                                 
                                    
                                    4.1%
                                 
                                                             | 
                                                        
                    
| 2 | China | 194 | 
                                                                 
                                    
                                    12.7%
                                 
                                                             | 
                                                        
                    
| 3 | India | 944 | 
                                                                 
                                    
                                    61.8%
                                 
                                                             |