SELECT
  /*+CARDINALITY(t14)*/
  column_value
 ,COUNT(START_STATUS_DATE) AS cnt
FROM
  REP_ASMRGA_ALINE tl
 ,TABLE(pipe_date(TRUNC(SYSDATE)-14,14))
WHERE
  column_value = tl.START_STATUS_DATE(+)
GROUP BY
  column_value