To ask the Chancellor of the Duchy of Lancaster what the (a) employment rate and (b) the number in employment of the working age population was for (i) the UK population of working age, (ii) foreign nationals of working age, (iii) UK nationals of working age and (iv) UK born workers of working age in each quarter since 1 January 2007; and what the equivalent figures are for all persons in work irrespective of age.