QUERY PLAN
HashAggregate (cost=304.75..308.26 rows=234 width=64)
Group Key: to_char(occurrence_at, 'YYYY-MM'::text)
-> Seq Scan on tbl_reimbursements (cost=0.00..303.57 rows=235 width=37)
Filter: ((occurrence_at >= '2026-01-01 00:00:00+08'::timestamp with time zone) AND (occurrence_at <= '2026-12-31 23:59:59+08'::timestamp with time zone) AND (status = ANY ('{1,2,3}'::integer[])))