1 = man
2 = woman

1 = Rural
2 = Town, population up to 10,000
3 = Town, population 15,000
4 = City, population 50,000-200,000
5 = City, population 200,000-500,000
6 = City, population $>$ 500,000

1 = primary
2 = trade school
3 = gymnasium
4 = college
5 = Undergraduate studies
6 = Master's degree studies
7 = Polytechnic studies
8 = Doctorate

1 = girl
2 = boy

1 = public
2 = catholic
3 = Monetssori
4 = Prywatne
5 = other