Somewhere there is a neighbour with your spare key who would drive you to hospital at two in the morning and be mildly offended if you called a taxi instead.
Support is nearly always larger than it feels, because most of it is latent. It sits unused, and unused things are easy to forget you own. The count done alone, at night, comes out at approximately nobody.
The real figure only appears when it gets tested, which is why so many people report being astonished at who turned up during the worst year of their life.