Using data from the past five years of the 2557 (2014) 2553 (2010)-period business sector group of 14 companies, and service sector industries of 14 companies.
Using retrospective data from 2553 to 2557 five-year period since the Group of 14 group companies and business services industry group of 14 companies.
Using retrospective data 5 years, the period from 1996 to 2553-2557 business group business division of 14 service company. Food industry and the 14 company.