Health insurance companies last year paid the part or most of the costs related to the spa treatment to about 60 000 patients. Private insurance companies Dôvera and Union say that number of their policyholders treated in spa is increasing. General Health Insurance Company (Všeobecná zdravotná poisťovňa) last year recorded a little less such policyholders than it was in 2010, increased was only the number of children. In 2011 the policyholders of General Health Insurance Company was treated in 27 nature spa and 2 sanatoriums. Union has concluded the contracts with 26 spa institutions, Dôvera with all spa facilities operating in Slovakia.