1	Employee
11	Employee  (excl Employment Schemes)
111	Employee  (excl Employment Schemes & Apprenticeship)
112	Employee on Apprenticeship
12	Employee on Employment Scheme
121	Employee on CES Scheme
122	Employee on Other Employment Scheme
2	Self Employed
21	Self Employed with Employees
210	Self Employed with Employees
22	Self Employed Without Employees
220	Self Employed Without Employees
3	Assisting Relative
30	Assisting Relative
300	Assisting Relative
9	Unknown
99	Unknown
999	Unknown