LONDON | How much money did the UK government borrow in April? Less than you might have assumed. In fact, the public sector borrowing report for the last month brought strong surpluses: net figures excluding financial interventions gave a surplus of £16.5 billion compared to a deficit of £9.1 billion in April last year, and the total net volume saw a surplus of £18.8 billion from a deficit of £6.2 billion in…