PEDUC							     ISCED97	   LIS recode
  1  less than 1st grade							1
  2  1st, 2nd, 3rd or 4th grade							1
  3  5th or 6th grade								1
  4  7th or 8th grade								1
  5  9th grade									1
  6  10th grade									1
  7  11th grade									1
  8  12 grade, no diploma							1
  9  high school graduate 					3		2
 10  some college, no degree							2
 11  associate degree, vocational program			5B		3
 12  associate degree, academic program				5A		3
 13  bachelor's degree						5A		3
 14  master's degree						5A		3
 15  professional scool degree					5A		3
 16  doctorate degree						6		3