Hourly pay as the listings state it. The bar is the median; the lighter band behind it is the middle half, from the 25th to the 75th percentile. Pick a row to open those listings on the board.
The employers with the most open roles on the board right now, ranked by how many they have up.
The employers this region is known for, gathered by name rather than by field. A collection appears once it has 5 listings from 3 employers. "See listings" opens the board filtered to it.
How many listings name each skill or requirement in their description. Pick one to search the board for it.
Not enough listings in this area name a skill yet.
Which county the roles are in, the terms they are hiring for, and who they are open to.
A quarter's listings and employers are the average across its updates; its postings are counted by the month each was posted, so they are not inflated by how often the board was updated.
history.json in the repo: every update of the board adds one line of figures, so quarters and years can be compared. It starts the day the board first went up.