Historical clue formulations

• Govt. instruments — 2026-09-06
• Some govt. securities — 2025-05-18
• They take 2-10 yrs. to mature — 2018-01-21
• Govt. securities — 2014-05-25
• Auctioned investments, in brief — 2013-10-09
• Investment option, informally — 2011-10-01
• Gov't securities — 2010-09-27
• Gov't investments — 2009-10-18
• Govt. securities — 2009-02-10
• Investment options, for short — 2008-02-24
• They may take a few yrs. to mature — 2007-08-04
• Some government bonds — 2007-07-15