German sources claim 8100 Soviet afv's destroyed during July/August of 1943 - Soviet sources claim 6100 for the same time period. That's between 25 and 33% of the entire 1943 afv's production in just 16.5% of the entire year. I call that pretty severe losses.
I wonder if that 6,100 are permanent losses, or rendered inoperable & repaired? Either way its significant, but the effects are different between one and the other. ie: the US & Brits were really efficient about returning destroyed AFV to operating status, but that required yet another unit in their large support tail. I recall someone claiming the German air force counted aircraft written off as destroyed, then rebuilt at savage depots as new construction. If correct this can make the comparison of aircraft production even trickier.