SELECT

stay,

COUNT$(*)$ AS count$\_$int,

ROUND$($AVG$($todep$),2)$ AS average$\_$phq$,$

ROUND$($AVG$($tosc$),2)$ AS average$\_$scs$,$

ROUND$($AVG$($toas$),2)$ AS average$\_$as

FROM

students

WHERE

stay IS NOT NULL

GROUP BY

stay

ORDER BY

stay DESC

LIMIT $9$;