Thatrobustfigure implies that consumers are reaching for OS upgrades on existing machines, a generally successful operation, rather than unnecessarily spending more for a hardware refresh.
But he refused to give an estimate of the numbers of people who might move to Britain after getting the right to live and work in the UK in December, saying he did not want to start a "scare story" and that more work had to be done on drawing up a robustfigure.