| Responses | 
                                                
                                                    | 1 | Less than £520 | 17 |  
                                                    | 2 | £520 to less than £1,040 | 20 |  
                                                    | 3 | £1,040 to less than £1,560 | 28 |  
                                                    | 4 | £1,560 to less than £2,080 | 33 |  
                                                    | 5 | £2,080 to less than £2,600 | 57 |  
                                                    | 6 | £2,600 to less than £3,120 | 40 |  
                                                    | 7 | £3,120 to less than £3,640 | 24 |  
                                                    | 8 | £3,640 to less than £4,160 | 45 |  
                                                    | 9 | £4,160 to less than £4,680 | 56 |  
                                                    | 10 | £4,680 to less than £5,200 | 89 |  
                                                    | 11 | £5,200 to less than £6,240 | 140 |  
                                                    | 12 | £'6,240 to less than £7,280' | 88 |  
                                                    | 13 | £7,280 to less than £8,320 | 91 |  
                                                    | 14 | £8,320 to less than £9,360 | 80 |  
                                                    | 15 | £9,360 to less than £10,400 | 95 |  
                                                    | 16 | £10,400 to less than £11,440 | 63 |  
                                                    | 17 | £11,440 to less than £12,480 | 62 |  
                                                    | 18 | £12,480 to less than £13,520 | 66 |  
                                                    | 19 | £13,520 to less than £14,560 | 36 |  
                                                    | 20 | £14,560 to less than £15,600 | 59 |  
                                                    | 21 | £15,600 to less than £16,640 | 43 |  
                                                    | 22 | £16,640 to less than £17,680 | 45 |  
                                                    | 23 | £17,680 to less than £18,720 | 39 |  
                                                    | 24 | £18,720 to less than £19,760 | 35 |  
                                                    | 25 | £19,760 to less than £20,800 | 51 |  
                                                    | 26 | £20,800 to less than £23,400 | 74 |  
                                                    | 27 | £23,400 to less than £26,000 | 66 |  
                                                    | 28 | £26,000 to less than £28,600 | 52 |  
                                                    | 29 | £28,600 to less than £31,200 | 45 |  
                                                    | 30 | £31,200 to less than £33,800 | 34 |  
                                                    | 31 | £33,800 to less than £36,400 | 31 |  
                                                    | 32 | £36,400 or more | 97 |  
                                                    | 98 | Refused | 87 |  
                                                    | 99 | Don t know | 18 |  
                                                    | Sysmiss |  | 54 |  |