Well, also there's been a lot of news events around the issue since 2015, which led to the elimination of the exemption, so its quite possible there have been signficant movements in attitudes in the last three years.
I would love to see hotspots of places where people have no religion - not even atheist... just none.
I sit not just corrected, but fairly shocked.
What I have not seen, but would like to, is data for other states.