SELECT * FROM (
SELECT to_char(cffecha,'YYYYMM') as fFecha,to_char(count(*),'999 999,999') as fTotal 
      FROM fnsatcfd 
      WHERE ( XMLSERIALIZE(CONTENT cffacxml as text) LIKE '%version=\"3.2\"%' OR XMLSERIALIZE(CONTENT cffacxml as text) LIKE '%Version=\"3.3\"%' ) AND extract(year from cffecha)>2013 
      GROUP BY 1 
      ORDER BY 1
) as T1
UNION  ALL
SELECT * FROM (
SELECT 'Total' as fFecha ,to_char(count(*),'999 999,999') as fTotal 
      FROM fnsatcfd 
      WHERE ( XMLSERIALIZE(CONTENT cffacxml as text) LIKE '%version=\"3.2\"%' OR XMLSERIALIZE(CONTENT cffacxml as text) LIKE '%Version=\"3.3\"%' ) AND extract(year from cffecha)>2013 
      GROUP BY 1 
      ORDER BY 1
) as T2
;
