Each confirmed stay occupies the nights from `check_in` up to the day before `check_out`. A stay that crosses a month boundary must have its nights split between the months they fall in. Ignore cancelled stays and stays with check_out <= check_in. For every listing and month with at least one booked night, return `listing_id`, `month` ('YYYY-MM'), `nights_booked`, `occupancy_pct` = ROUND(100.0 * nights_booked / days in that month, 1). Order by `listing_id`, `month`.
| Column | Type |
|---|---|
| stay_id | INTEGER |
| listing_id | INTEGER |
| check_in | DATE |
| check_out | DATE |
| status | TEXT |
| stay_id | listing_id | check_in | check_out | status |
|---|---|---|---|---|
| 1 | 1 | 2026-01-29 | 2026-02-03 | confirmed |
| 2 | 1 | 2026-02-10 | 2026-02-12 | confirmed |
| 3 | 2 | 2026-01-05 | 2026-01-06 | confirmed |
| 4 | 2 | 2026-01-20 | 2026-01-25 | cancelled |
| 5 | 3 | 2026-02-01 | 2026-02-01 | confirmed |
| listing_id | month | nights_booked | occupancy_pct |
|---|---|---|---|
| 1 | 2026-01 | 3 | 9.7 |
| 1 | 2026-02 | 4 | 14.3 |
| 2 | 2026-01 | 1 | 3.2 |
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