The trouble with "puncture resistance" on an anecdotal basis is assessing the tyre vs risk. I've done 35k miles on Marathon Plus and have had a few punctures but that becomes meaningless in that I have no idea if eg every ride I'm cycling over thorns/flint chips that would puncture a lesser tyre (so >1 puncture per ride) or if my roads are not big risks and I've only ever encounted a few thorns/flint chips and they've all gone through nd caused a flat.
Difficult to meaningfully assess how many punctures they've prevented without knowing "exposure to risk".
And then add that every tyre has a degree of "resistance" some minumal resistance, some more and some designed for max. resistance. So how "resistant" a tyre is anecdotally is dependent on what it's being compared with.
Ian