SPA DATA: US spa sales, visits, locations 2007/2008 September 7, 2009 2007 year end 2008 year end % change Revenue $10.9bn $12.8bn +17.8 Spa visits 138 million 160 million +15.8 Number of spas 17,900 21,300 +18.8 Source: Ispa Read the full article now! Log in Subscribe