@00001   RECID         5.
@00006   UNIONTYP     $1.
@00007   UNIONRNK      2.
@00009   CURUNION     $1.
@00010   AGEDC         4.1   /* was 4.  */
@00014   SEX          $1.
@00015   AGEBEGUN      4.1   /* was 4.  */
@00019   MSBEUN       $1.
@00020   MSPRBEUN     $1.
@00021   LICUBEUN     $1.
@00022   AGEPRGRDIF   $2.
@00024   LICUBEMA     $1.
@00025   AGEBEGMA      4.1   /* was 4.  */
@00029   ENDUNION     $2.
@00031   AGEENSEP      4.1   /* was 4.  */
@00035   AGEENDTH      4.1   /* was 4.  */
@00039   AGEENDIV      4.1   /* was 4.  */
@00043   DURSEP        4.1   /* was 4.  */
@00047   DURDTHPR      4.1   /* was 4.  */
@00051   DURDIV        4.1   /* was 4.  */
@00055   DURUNION      4.1;  /* was 4.  */