§ Mr. Hordernasked the Chancellor of the Exchequer what would be the loss of revenue if corporation tax was abolished for companies operating solely in Northern Ireland.
Public sector borrowing requirement and national debt as a percentage of gross domestic product PSBR "Real PSBR" National debt (at end financial year) "Real national debt" (at end financial year) £ million Per cent.* £ million† Per cent.‡ £ million║ Per cent.¶ £ million● Per cent.■ 1970–71 818 1.6 1,479 1.6 33,442 63.8 58,465 61.7 1971–72 1,016 1.7 1,682 1.7 35,840 60.8 57,528 58.9 1972–73 2,533 3.8 3,885 3.8 37,156 56.1 55,457 54.6 1973–74 4,459 6.0 6,388 6.0 40,448 54.8 56,022 53.0 1974–75 7,999 9.1 9,591 9.1 46,404 52.6 50,659 47.9 1975–76 10,639 9.6 10,181 9.6 56,584 51.1 51,393 48.6 1976–77 8,521 6.6 7,215 6.6 67,166 52.2 53,949 49.6 1977–78 5,594 3.7 4,162 3.7 79,180 53.0 56,679 51.0 1978–79 9,231 5.5 6,212 5.5 86,885 51.4 56,091 49.3 1979–80 9,912 4.9 5,690 4.9 95,313 47.2 51,409 44.3 1980–81 13,194 5.7 6,411 5.7 113,037 49.0 52,920 47.2 1981–82 8,812 N.A. N.A. N.A. 117,959 N.A. N.A. N.A. Notes: * Percentage of GDP(E) at current market prices. † At 1975 prices, calculated using the implied deflator for total home costs. ‡ Percentage of GDP(E) at 1975 market prices. ║ Total liabilities of the national loans fund at nominal value. ¶ Percentage of GDP(E) at current market prices in the preceding financial year. ● At 1975 prices, calculated using the implied deflator for total home costs for the last quarter of the preceding financial year. ■ Percentage of GDP(E) at 1975 market prices in the preceding financial year.