[SAS] proc format

proc format;
value $relation
'01' = '조부'
'02' = '조모'
'03' = '부'
'04' = '모'
'05' = '배우자（여）'
'06' = '배우자（남）'
'07' = '형'
'08' = '제'
'09' = '자'
'10' = '매'
'11' = '아들'
'12' = '딸'
'13' = '손자'
'14' = '손녀'
'15' = '며느리'
'16' = '삼촌'
'17' = '사촌'
'18' = '사촌이상친척'
'19' = '사위'
'20' = '장인'
'21' = '장모'
'22' = '시아버지'
'23' = '시어머니'
'24' = '사업자'
'25' = '본인'
'99' = '기타'
;
run;

data    test;
rcode = '01'; output;
rcode = '02'; output;
rcode = '18'; output;
rcode = '04'; output;
rcode = '22'; output;
run;

proc sql;
create table test2 as
select  rcode
        , put(rcode, $relation.) as rcode_nm
from    test
;
quit;