| Age    category in years Total (n)
 | 15 (18)
 | 16 (19)
 | 17 (16)
 | 18 (21)
 | 19 (37)
 | 20 ( 47)
 | 21 (24)
 | 22 (16)
 | 23 (8)
 | 
      
        | % of subjects showing    complete development of 3rd molars (n) | 5.55 (1 )
 | 5.26 (1)
 | 6.25 (2)
 | 23.81 (5)
 | 54.05 (20)
 | 72.34 (34)
 | 54.17 (13) | 75 (12)
 | 75 (6)
 | 
      
        | % of subjects showing    complete development of all 4 third molars (n) | 5.55 (1 )
 | 0 (-)
 | 3.13 (1)
 | 14.29 (3)
 | 27.02 (10)
 | 40.43 (19)
 | 45.83 (11)
 | 62.5 (10)
 | 37.5 (3)
 | 
      
        | % of subjects showing    complete development of < 4 third molars (n) | 0 (-)
 | 5.26 (1)
 | 3.12 (1)
 | 4.76 (2)
 | 27.02 (10)
 | 31.91 (15)
 | 8.33 (2)
 | 12.5 (2)
 | 37.5 (3)
 |