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 (select t2.br_cou ,count( t2.br_cou) as pm from 
(select br_count as br_cou from ct_lsb group by br_count ) t1 inner join 
(select br_count as br_cou from ct_lsb group by br_count ) t2 on t1.br_cou >= t2.br_cou
group by t2.br_cou order by pm 
) a inner join 
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 on a.br_cou = b.br_count 

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