The others = 14.7%
My proof > Yours. Lets see some stats.
I have no idea if your stats are legit, but for the sake of argument let's pretend they are. You made a sweeping statement that the Cowboys play mostly zone coverage. Turns out they play a lot of zone coverage (based on your stats 53%, a solid amount of man 32% and almost 15% hybrid). That's a little different from saying that a team is mostly a zone team. All it takes is a little critical thinking to see that they play multiple types of defense with plenty of man coverage. Most importantly they like to play man more than not on third down - which is a pretty important down for grading secondary play. Bob Sturm tried to do some work on this for The Athletic and I'm not sure he was 100% on his tracking, but it was useful nonetheless https://***BLOCKED***/1155030/2019/...boys-use-and-when-we-tracked-every-2018-snap/
For the sake of this thread let's also point out that Jalen Ramsey is more than a man-to-man CB, as the Jags only played man 4% more than Dallas according to your chart.
Also, I don't know what these stats prove this season, they say through Week 16 so I am assuming that was 2018?
Again, incomplete information to this point, but by all means, keep bowing up young buck.