To ask the Chancellor of the Exchequer if he will publish information in respect of (a) the United Kingdom, (b) Wales, (c) England, (d) Scotland and (e) Northern Ireland for the Budget years 1988–89 and 1989–90 on (i) total yield of national insurance, (ii) total yield of corporation tax, (iii) total net yield of value added tax, (iv) vehicle excise duty, (v) petrol and derv duty, (vi) tobacco duty and (vii) alcohol duty.

[holding answer 29 March 1990]: Figures for the United Kingdom as a whole are as follows:

£ billion	1988–89	11989–90
Social security contributions (including national insurance)	33·00	33·1
Corporation tax	18·5	21·4
Value added tax	27·3	29·7
Vehicle excise duty	2·8	2·9
Petrol and derv duty	8·5	8·6
Tobacco duty	5·0	5·0
Alcohol duty	4·5	4·6
1Estimate

Data for central Government revenue are not generally broken down by territories. Of those categories requested, only for social security contributions is information available. Latest estimates suggest that these are made up as follows:

United Kingdom security contributions, percentage of total
	per cent.
England	85
Scotland	9
Wales	4
Northern Ireland	2
Total	100