Oh I have the exact same experience! Almost all of my students have zero coding experience.
However, the experiences of novice programmers aren't well-understood from an educational research perspective outside of some very narrow kinds of inquiry into specific tools (Scratch with elem. learner, for example).
Even in higher ed 101 classes, studies have a selection bias toward students who want to study CS and have better-than-normal self-efficacy and better-than-normal support for skill development outside of the classroom.