In paragraph 10 “the specified percentage” means, in respect of any month from 1st April 2009 until 31st March 2010, 25 per cent; in respect of any month from 1st April 2010 until 31st March 2011, 50 per cent; and in respect of any month from 1st April 2011 until 31st March 2016, 75 per cent.