Earlier quoted context omitted.
This graph is focused on expansion of rights, not retraction.
With a few exceptions, gun rights have, for the most part, expanded over the past couple of decades. More and more states are adopting some form of carry laws, and to my knowledge, those that have expanded gun rights have never reversed. The one notable exception that comes to mind is Colorado, with its ammo capacity ban, but even that's sort of up in the air at the moment.
These laws ostensibly regulate private transfers, but in the fine print are aimed directly at hindering the creation of new gun owners and otherwise trapping us in flypaper, by criminalizing the lending and renting of guns even under supervision. The Washington state officials say they won't enforce that part of the law, but....
Next up are Nevada and Oregon, last time I heard about this.