Since the suspension of the National Solar Water Heating Programme (NSWHP) on 31 December 2012, what is the cost to the country in terms of the (a) number of (i) manufacturers, (ii) installers and (iii) maintenance companies that have closed down, (b) number of jobs that have been lost in each of the specified companies, (c) loss of skills development planned as part of the NSWHP and (d) deterioration of equipment and infrastructure built up by the industry until the programme was suspended?