§ Mr. Michael Brownasked the Secretary of State for Social Services (1) what was the yield of the class 2 national insurance stamp in each year since 1974–75; and what is his estimate of the yield for 1980–81 and 1981–82;
(2) what was the yield of the class 4 national insurance levy in each year since 1975–76; and what is his estimate of the yield for 1980–81 and 1981–82.
§ Mrs. ChalkerThe estimated yield in cash terms in each of the years is as follows:
£ million Class 2 Class 4 1974–75 183 1974–75 — 1975–76 162 1975–76 27 1976–77 155 1976–77 87 1977–78 171 1977–78 125 1978–79 148 1978–79 127 1979–80 152 1979–80 118 1980–81 154 1980–81 108 1981–82 203 1981–82 135