section 26 arts entertainment and recreation this presents data on the economic sector of economy personal rec reational activities humani ties domestic foreign travel industry us census bureau s serv ice annual survey provides estimates operation revenue taxable firms revenues expenses exempt from federal taxes for industries in beginning 1998 are based north american classification system naics most establishments were previously clas sified standard industrial classifica tion sic services some retail trade new is comprised which existed revised previous definitions or completely among those amusement theme parks include museums theater companies dinner theaters following url contains detailed information about a comparison http www gov epcd html see also text 15 business enterprise 1997 was first to cover