Spitfire Mk XVI has 15314 Kills of All
Spitfire Mk XVI has 13987 Deaths by All
Straight from the site sir, 2000 possible sorties uncounted by your graph.
P-51D has 16336 Kills of All
P-51D has 14929 Deaths by All
Another 2300 possible sorties not counted by that graph.
La-7 has 15590 Kills of All
La-7 has 12602 Deaths by All
3,000 more possible sorties not counted.
That's the top three aircraft, and if you did it by sortie, I would guarantee right here right now they make up at least 30 percent if not 50 percent of the sorties flown in a given time period.