Historical clue formulations

• 0% in New Hampshire, Oregon, Montana, Alaska and Delaware — 2026-06-06
• Line just above a total, say — 2019-08-18
• Invoice add-on — 2006-11-28
• It's often around 6%-8% — 2006-10-26
• Check addition? — 2006-01-19
• State capital? — 2001-10-14
• Something Alaska lacks — 1995-02-03