Historical clue formulations

• Gas numbers — 2020-07-19
• Pump numbers — 2008-05-16
• Pump figures — 2005-11-29
• Gas ratings — 2004-07-26
• Some are in the 90's — 2004-06-20
• They may be in the 90's — 2003-03-02
• Some ratings — 2002-11-30
• Pump numbers — 1994-09-29