Question to the Department for Work and Pensions:
To ask the Secretary of State for Work and Pensions, what proportion of self-employed people who have private pensions made state pension contributions in (a) 2010-11, (b) 2011-12, (c) 2012-13, (d) 2013-14 and (e) 2014-15.
The information requested is not collated centrally and could only be provided at disproportionate cost.