(1) With reference to her reply to question 477 on 25 March 2011, how many environmental impact assessments (EIAs) were outstanding (a) in each province and (b) nationally (i) for less than 6 months, (ii) between 6 and 12 months, (iii) between 12 and 18 months and (iv) for longer than 18 months as at 31 March 2012; (2) what was the total number of (a) posts available and (b) vacancies in the EIA establishment in (i) each province and (ii) nationally as at the latest specified date for which information is available?