§ Mr. Kenneth Clarkeasked the Secretary of State for Social Services what percentage of married women in employment exercised their option to pay a reduced rate of national insurance contributions in each of the last 10 years.
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§ Mr. Robert C. BrownFor the last 10 years for which figures are available the information is as follows:
Per cent. 1963 … … … … 73 1964 … … … … 73 1965 … … … … 74 1966 … … … … 75 1967 … … … … 75 1968 … … … … 76 1969 … … … … 76 1970 … … … … 75 1971 … … … … 76 1972 … … … … 74