(1) What is the total number of cases of duplicate identity documents (IDs) that were reported in (a) 2011, (b) 2012, (c) 2013, (d) 2014 and (e) since 1 January 2015; (2) how many of the specified cases have been resolved; (3) (a) how many cases are still pending resolution and (b) what is the cause of the delays in resolving these cases; (4) what (a) reason(s) has his department identified in respect of the duplication of IDs that are issued and (b) measures are being implemented by his department to prevent this from happening in the future?