with t as
(select '2015' yyyy, '01' mm, '38085' val from dual
union all
select '2015' yyyy, '02' mm, '29924' val from dual
union all
select '2016' yyyy, '01' mm, '41183' val from dual
union all
select '2016' yyyy, '02' mm, '37628' val from dual
)
select mm
     , max(decode(yyyy,'2015',val)) val2015
     , max(decode(yyyy,'2016',val)) val2016 
  from t
 group by mm
 order by mm

with t as ( 
select 2015 yyyy, '01' mm, 38085 val from dual union all
select 2015, '02', 29924 from dual union all
select 2015, '03', 67709 from dual union all
select 2016, '01', 41183 from dual union all
select 2016, '02', 37628 from dual union all
select 2016, '03', 70515 from dual
)
select *
from t
pivot (min(val) for yyyy in (2015,2016));