How bad is my hair loss situation? 20 years old.

[Ryukil]

I'll be 21 in a few months, and I just got on finasteride two weeks ago.
http://s1217.photobucket.com/user/Peter_Charles11/media/131229-141203.jpg.html
http://s1217.photobucket.com/user/Peter_Charles11/media/131229-141214.jpg.html?sort=3&o=1
http://s1217.photobucket.com/user/Peter_Charles11/media/131229-141239.jpg.html?sort=3&o=0