| Responses | 
                                                
                                                    | 1 | <£520 | 15 |  
                                                    | 2 | £520<£1,600 | 25 |  
                                                    | 3 | £1,600<£2,600 | 44 |  
                                                    | 4 | £2,600<£3,600 | 67 |  
                                                    | 5 | £3,600<£5,200 | 128 |  
                                                    | 6 | £5,200<£7,800 | 292 |  
                                                    | 7 | £7,800<£10,400 | 431 |  
                                                    | 8 | £10,400<£13,000 | 583 |  
                                                    | 9 | £13,000<£15,600 | 554 |  
                                                    | 10 | £15,600<£18,200 | 489 |  
                                                    | 11 | £18,200<£20,800 | 439 |  
                                                    | 12 | £20,800<£23,400 | 444 |  
                                                    | 13 | £23,400<£26,000 | 404 |  
                                                    | 14 | £26,000<£28,600 | 294 |  
                                                    | 15 | £28,600<£31,200 | 479 |  
                                                    | 16 | £31,200<£33,800 | 222 |  
                                                    | 17 | £33,800<£36,400 | 317 |  
                                                    | 18 | £36,400<£41,600 | 503 |  
                                                    | 19 | £41,600<£46,800 | 386 |  
                                                    | 20 | £46,800<£52,000 | 393 |  
                                                    | 21 | £52,000<£60,000 | 401 |  
                                                    | 22 | £60,000<£70,000 | 425 |  
                                                    | 23 | £70,000<£80,000 | 299 |  
                                                    | 24 | £80,000<£90,000 | 221 |  
                                                    | 25 | £90,000<£100,000 | 185 |  
                                                    | 26 | £100,000<£110,000 | 89 |  
                                                    | 27 | £110,000<£120,000 | 81 |  
                                                    | 28 | £120,000<£130,000 | 74 |  
                                                    | 29 | £130,000<£140,000 | 40 |  
                                                    | 30 | £140,000<£150,000 | 31 |  
                                                    | 31 | >=£150,000 | 196 |  
                                                    | 96 | Do not know | 824 |  
                                                    | 97 | Refused | 1248 |  
                                                    | -9 | No answer/refused | 0 |  
                                                    | -8 | Don't know | 0 |  
                                                    | -1 | Item not applicable | 357 |  |