No stats for some melee weapons

Product: Battlefield V
Platform:PC
Please specify your platform model. PC
AMD or Nvidia Model Number Nvidia GTX 1060
Enter RAM memory size in GB 16 GB
Which part of the game is the issue happening in? Game Menu
In which game menu were you when the bug occurred? Statistics Menu
Please select your region Europe
On which server did this happen?
When did this happen? (dd.mm.yy hh:mm)
Summarize your bug Stats of MKIII(S) Elite Combat Dagger, Fire Rake, and Fallschirmjäger Switchblade are not displayed in Statistics menu.
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Just open Statistics menu.
What happens when the bug occurs? Stats of MKIII(S) Elite Combat Dagger, Fire Rake, and Fallschirmjäger Switchblade are not displayed in Statistics menu.
What should be happening instead? Stats of MKIII(S) Elite Combat Dagger, Fire Rake, and Fallschirmjäger Switchblade are displayed in Statistics menu.

‌

 I have kills for all of these melee weapons. Stats, however, are not displayed.