HISCO Major Group
1 = 0/1 Professional, technical and related
2 = 2 Administrative and managerial workers
3 = 3 Clerical and related workers
4 = 4 Sales workers
5 = 5 Service workers
6 = Agricultural, animal husbandry and forestry workers, fishermen and hunters
7 = 7/8/9 Production and related workers, transport equipment operators and labourers