with a as (
select
    h.CLASS_NAME as CLASS,
    max(h.AMT) as HOUSEHOLDS
from
    HOUSEHOLD as h
-- join
--     HOUSEHOLD as h2 on h.AMT = h2.AMT and h.CLASS_NAME = h2.CLASS_NAME
where
    h.PERSON_CODE is not 1
and
    h.CLASS_CODE is not 01
group by h.CLASS_NAME
order by h.CLASS_CODE asc
)
select 
    a.CLASS as CLASS,
    h.PERSON_NAME as PERSON,
    a.HOUSEHOLDS as HOUSEHOLDS
from
    HOUSEHOLD as h
inner join
    a on h.CLASS_NAME = a.CLASS and h.AMT = a.HOUSEHOLDS