Whether, with regard to her reply to question 1960 on 23 June 2015, she can confirm that no international trips were taken to benchmark the different payment systems in (a) 2007, (b) 2009, (c) 2010, (d) 2011 and (e) 2013 by (i) her, (ii) any official in her department and (iii) any entities that report to her; if not, why not?