=IF(T4="","",IF(RANK(T4,$T$4:$T$62,1)>6,"",RANK(T4,$T$4:$T$62,1) & IF(RANK(T4,$T$4:$T$62,1)>3,"th",CHOOSE(RANK(T4,$T$4:$T$62,1),"st","nd","rd"))))