สำมะโนธุรกิจและอุตสาหกรรม พ.ศ. 2565 อุตสาหกรรมการผลิต: ภาคเหนือ

76 The 2022 Business and Industrial Census ( Manufacturing Industry : Northern region ) 4 . The estimation of total at division level The estimated total number of the characteristic X of the establishments for j th division, h th region of each 6 presented size of establishment based on the formula : Size of establishment Estimated total 1-5 persons engaged ( p = 1 ) 6-10 persons engaged ( p = 2 ) 11-15 persons engaged ( p = 4,5 ) 1 6 - 2 5 persons engaged ( p = 4,5 ) 26 - 30 persons engaged ( p = 6 ) 31 - 50 persons engaged ( p = 7 ) 51 - 200 persons engaged ( p = 8,9 ) >200 persons engaged ( p =10 , 11 ,12 ) where D j is the total groups in the j th division which  = = 28 j 1 j 78 D