Melee Ribbons Are Not Being Awarded (PS3)

Lately I began to realize that I was not being awarded ribbons for my knife kills. For DICE... Here is an example of what I've been finding. 10 knife kills and zero ribbons. I've been stuck on 4 for weeks!!

http://battlelog.battlefield.com/bf4/battlereport/show/4/405202485390874368/205265057/ [battlelog.battlefield.com]

*I posted this on the forums, and then saw that issues were supposed to be posted here? Thanks for looking into this, and I'm loving the game!! Zed-13