With regard to housing delivery in the Nelson Mandela Bay Metropolitan Municipality in the Eastern Cape, (a) how many Breaking New Ground houses have been built in the specified municipality (i) since 2011 and (ii) in the beginning of the 2015-16 financial year and (b) what were the targets for the (i) 2011-12, (ii) 2012-13, (iii) 2013-14, (iv) 2014-15 and (v) 2015-16 financial years?