Historical clue formulations

• Rates of return? — 2024-07-07
• Return payments? — 2023-10-25
• Return payments? — 2022-11-13
• Kidnappers' demands — 2016-02-29
• Abductors' demands — 2008-01-07
• Delivers for a price — 2003-12-20
• Payments for releases — 1998-06-07
• Return payments? — 1996-11-03