{"father":"Professional","son":"Professional","Freq":50}
{"father":"Professional","son":"Managerial","Freq":45}
{"father":"Professional","son":"Supervisory","Freq":8}
{"father":"Professional","son":"Skilled","Freq":18}
{"father":"Professional","son":"Unskilled","Freq":8}
{"father":"Managerial","son":"Professional","Freq":28}
{"father":"Managerial","son":"Managerial","Freq":174}
{"father":"Managerial","son":"Supervisory","Freq":84}
{"father":"Managerial","son":"Skilled","Freq":154}
{"father":"Managerial","son":"Unskilled","Freq":55}
{"father":"Supervisory","son":"Professional","Freq":11}
{"father":"Supervisory","son":"Managerial","Freq":78}
{"father":"Supervisory","son":"Supervisory","Freq":110}
{"father":"Supervisory","son":"Skilled","Freq":223}
{"father":"Supervisory","son":"Unskilled","Freq":96}
{"father":"Skilled","son":"Professional","Freq":14}
{"father":"Skilled","son":"Managerial","Freq":150}
{"father":"Skilled","son":"Supervisory","Freq":185}
{"father":"Skilled","son":"Skilled","Freq":714}
{"father":"Skilled","son":"Unskilled","Freq":447}
{"father":"Unskilled","son":"Professional","Freq":3}
{"father":"Unskilled","son":"Managerial","Freq":42}
{"father":"Unskilled","son":"Supervisory","Freq":72}
{"father":"Unskilled","son":"Skilled","Freq":320}
{"father":"Unskilled","son":"Unskilled","Freq":411}