Welcome to the site !!
The only one i know around here that might be able to give you a definite answer would be Ken the owner , as the newest i have is the 09-11 Factory Service Manual , so that won't help , so i would PM (Private Message) Ken the owner , hopefully he might have a Owners Manual floating around for reference , as i looked in his Factory Manual database and it shows every year.....except it completely skips the 15 , it has 09-14 , and 17-18 , but skips 15 and 16 , so i am unsure as to why it seems to be unavailable , you could also maybe call your local Honda Dealer and see if they can come up with one for you ... ,
PM Ken here , click on where it says "PM:Send Private Message"
https://www.crfsonly.com/forum/memberli ... rofile&u=3