HC Deb 27 April 1972 vol 835 c352W
Mr. Joel Barnett

asked the Secretary of State for Social Services how many persons paid self-employed National Insurance stamps in each of the last 10 years.

Mr. Dean

Following is the information:

Average number of self-employed National Insurance contributors, 1961 to 1970
Year … … … Contributors (millions)
1961 … … … 1.41
1962 … … … 1.42
1963 … … … 1.42
1964 … … … 1.42
1965 … … … 1.42
1966 … … … 1.44
1967 … … … 1.48
1968 … … … 1.52
1969 … … … 1.58
1970 … … … 1.59