asked the Chancellor of the Exchequer what was the total cash value for each year since 1965–66 of personal tax allowances, child tax allowances, and family allowances or child benefit for a married couple with one, two, three and four children, respectively, paying the standard rate of tax and with

			Cash value of tax allowances and family allowance/child benefit for a family paying tax at the basic rate with
Year			1 child	2 children	3 children	4 children
			£	£	£	£
1965–66	…	…	187·69	249·26	314·35	379·44
1966–67	…	…	187·69	249·26	314·35	379·44
1967–68	…	…	187·69	249·26	314·35	383·52
1968–69	…	…	187·69	249·42	314·66	379·92
1969–70	…	…	202·13	264·02	329·45	394·88
1970–71	…	…	239·25	301·15	366·58	432·00
1971–72	…	…	240·25	316·73	396·85	476·97
1972–73	…	…	292·56	369·05	449·16	529·28
1973–74	…	…	292·50	367·26	445·66	524·06
1974–75	…	…	364·65	458·05	554·93	651·81
1975–76	…	…	418·25	534·75	651·25	767·75
1976–77	…	…	484·75	622·25	759·75	897·25
1977–78	…	…	613·34	749·14	884·94	1,020·74
1978–79	…	…	648·30	801·90	955·50	1,109·10

The figures for years from 1968–69 to 1976–77 take account of the effects of the Family Allowance Deduction ("claw-back") as well as tax on the Family allowance.For 1977–78 the figures are based on the Chancellor's proposals of 26th October.For 1978–79 it has been assumed that the weekly rate of child benefits is increased to £2·30 and that child tax allowances for children aged not over 11 are reduced to £100. It has also been assumed that the basic rate of income tax remains at 34 per cent., and that the married person's tax allowance is £1,455.