zOs/SQL/PVSVERI

    select
         char(mon) || ', ' || arbid || ', ' || char(sum(erstPag#))
         || ', ' || char(sum(erstCou#)) || ', ' || char(count(*))
      from
      ( select
          year(ldatum) * 100 + month(lDatum) as mon,
          left(erstJob,4) arbid, erstPag#, erstCou#
        from $DBOWNER.vpv013a1a
        where left(erstJob,2)
            in ($BEREICHE)
          and lDatum between '${MONTH}01' and  '${MONTH}31'
      ) t1
      group by      arbid , mon
      order by      arbid , mon