PEDUC							     ISCED97		   LIS recode

   0 never attended education								1
   1 attended education, never completed any level					1
 100 completed primary level								1
 210 completed technical education requiring completed primary degree at entry		1
 220 completed lower secondary level							1
 311 completed technical education requiring completed lower secondary degree at entry	2
 312 completed technical education giving entry to university education			2
 320 completed upper secondary level							2
 410 completed technical education requiring completed upper secondary degree at entry	2
 510 completed Magisterium of Professorado (teachers' training)				3
 520 completed university or similar level						3
 901 not yet in education								9
 902 still in education									9
 mi  In Universe, no information							9
 -1  not in Universe									9