PEDUC							     ISCED97	   LIS recode

  0  no or incomplete education                                 		1
  1  primary							1		1
  2  lower secondary						2A, 2C		1
  3  upper secondary						3A, 3c		2
  4  post-secondary non-tertiary				4A, 4C		2
  5  first stage of tertiary					5A, 5B		3
  6  second stage of tertitary education			6		3
  9  still in education                                                         9