Here's how many times people have looked at hints:

Doctor Esker's Notebook


Hint
Small #19068123837556395351
Small #27863116777352345047
Small #38151115717153354946
Medium #17351112687463355553
Medium #26150103707458385544
Medium #3584785647454345043
Large #1613586556656324836
Large #2613579445752314337
Large #3754480444953353535


Son of Doctor Esker's Notebook (The Sequel)


Hint
Small #1126875644
Small #275677744
Small #376578444
Medium #187484535
Medium #258677637
Medium #378794437
Large #1971187678
Large #27810107788
Large #39713988108


Return of Doctor Esker's Notebook (The Other Sequel)


Hint
Small #120641233300
Small #214631243310
Small #312651233310
Medium #111540145410
Medium #212610163412
Medium #312410342423
Large #112631562422
Large #213331542312
Large #312220452432

The hints are sorted by how much help they give you.
The last Large Hint on each page comes very close to just giving you the solution.