6/12/2001 -- Start data of this file by Jean Roth, jroth@nber.org 2006-11-07 education variable has too many zeros, seems incorrect for 1987:3 - 1989:1 2005-08-01 1999:2 - 2003:2 files replace due to y2k bug which affected educatio occup incoll nonwork and emptype. 2005-06-16 1998:3 - 2003:2 files added.