What is a question about this article? If the question is unanswerable, say "unanswerable".

Public expenditure rose from £10 million in 2001-02 to £12 million in 2005-06 to £28m in 2012-13. The contribution of UK budgetary aid to total SHG government expenditure rose from £4.6 million in to £6.4 million to £12.1 million over the same period. Wages and salaries represent about 38% of recurrent expenditure.

In 2012-2013, public expenditure was what?
£28m