PEDUC							     ISCED97	   LIS recode
 -1										9
  1  kindergarden								1
  2  primary eucation								1
  3  special primary education							1
  4  second level, lower cycle prof.						1
  5  second level, lower cycle technical					1
  6  second level, lower cycle general						1
  7  special second level							1
  8  second level, upper cycle professional					2
  9  second level, upper cycle technical					2
 10  second level, upper cycle general						2
 11  higher non-univ 2-3 years							3
 12  higher non-univ 4 years							3
 13  university									3
 14  other									9
 15  other second level lower cycle						1
 16  other second level upper cycle						2
 17  other higher education							3