PEDUC							     ISCED97	   LIS recode
  1  illiterate									1
  2  suppl school, exc graduated						1
  3  primary school, partial							1
  4  primary school, graduated							1
  5  junior voc, partial							1
  6  junior voc, graduated							1
  7  junior high, partial							1
  8  junior high, graduated							1
  9  senior voc, partial							1
 10  senior voc, graduated							2
 11  senior high, partial							1
 12  senior high, graduated							2
 13  junior coll, partial							2
 14  junior coll, graduated							3
 15  coll/univ partial								2
 16  coll/univ graduated							3
 17  grad school, partial							3
 18  grad school, graduated							3