| Responses | 
                                                
                                                    | 1 | Up to £5,200 | 260 |  
                                                    | 2 | £5,200 less than £7,800 | 220 |  
                                                    | 3 | £7,800 less than £10,400 | 367 |  
                                                    | 4 | £10,400 less than £13,000 | 515 |  
                                                    | 5 | £13,000 less than £15,600 | 504 |  
                                                    | 6 | £15,600 less than £18,200 | 546 |  
                                                    | 7 | £18,200 less than £20,800 | 463 |  
                                                    | 8 | £20,800 less than £23,400 | 510 |  
                                                    | 9 | £23,400 less than £26,000 | 443 |  
                                                    | 10 | £26,000 less than £28,600 | 305 |  
                                                    | 11 | £28,600 less than £31,200 | 482 |  
                                                    | 12 | £31,200 less than £33,800 | 240 |  
                                                    | 13 | £33,800 less than £36,400 | 233 |  
                                                    | 14 | £36,400 less than £41,600 | 382 |  
                                                    | 15 | £41,600 less than £46,800 | 310 |  
                                                    | 16 | £46,800 less than £52,000 | 425 |  
                                                    | 17 | £52,000 less than £60,000 | 371 |  
                                                    | 18 | £60,000 less than £70,000 | 355 |  
                                                    | 19 | £70,000 less than £80,000 | 286 |  
                                                    | 20 | £80,000 less than £90,000 | 205 |  
                                                    | 21 | £90,000 less than £100,000 | 126 |  
                                                    | 22 | £100,000 less than £110,000 | 97 |  
                                                    | 23 | £110,000 less than £120,000 | 67 |  
                                                    | 24 | £120,000 less than £130,000 | 58 |  
                                                    | 25 | £130,000 less than £140,000 | 52 |  
                                                    | 26 | £140,000 less than £150,000 | 60 |  
                                                    | 27 | £150,000 or more | 199 |  
                                                    | 96 | Don't know | 673 |  
                                                    | 97 | Refused | 1050 |  
                                                    | -1 | Not applicable | 263 |  |