National Procurement, a division of NHS National Services Scotland, has advised that children’s and adults’ wigs are recorded using the same codes. The total number of wigs purchased by Contract year is available in the following table: Contract Year Number of Wigs 2006-07 7,884 2007-08 7,560 2008-09 7,655 2009-10 11,278 2010-11 11,357 2011-12 ...