Why are some numbers missing from the signature list?

Each signature gets a permanent number when it is added. If a signature is later removed, its number is not given to anyone else, so a gap is left in the list. This ensures that a signature's number always refers to the same person, even after removals.

Gaps do not affect the signature count shown on the petition, which always tells the real number of signatures. In the printable and downloadable signature list the signatures are numbered consecutively, so it has no gaps.