IMDB target audience

the inceptions target audience is:

this graph shows that the target audience are males under the age of 18. so I could aim my thriller opening at males under the age of 18.

shutter island target audience is:

this graph shows that the target audience for shutter island aswell as inception is also aimed at males under the age of 18

silence of the lambs target audience is :

 the target audience for silence of the lambs is people aged under 18 so i think that i should aim my thriller opening at people aged under 18