survey_idno,sid,file_id,vid,name,labl,var_intrvl,var_dcml,var_wgt,var_start_pos,var_end_pos,var_width,var_imputation,var_security,var_respunit,var_qstn_preqtxt,var_qstn_qstnlit,var_qstn_postqtxt,var_qstn_ivuinstr,var_universe,var_sumstat,var_txt,var_catgry,var_codinstr,var_concept,var_format,var_notes GTM_1998_IDHS_v01_M,2907,F8,V146,v017,"CMC start of calendar",discrete,0,,,,,,,,,,,,,[],,[],,[],"{""type"":""numeric"",""schema"":""other"",""category"":null,""name"":null}","Century month code for the first month of the calendar. This is constant for all cases and is the century month code of January of the first year of the calendar."