Historical clue formulations

• "Ain't that the truth!" — 2021-12-27
• "You've got THAT right!" — 2020-09-30
• "You're darn tootin'!" — 2015-01-15
• "You bet!" — 2008-06-04
• "You sure got that right!" — 2007-06-24
• "And how!" — 2006-11-09
• "You got that right!" — 2006-10-29
• "Amen!" — 2005-08-01
• "And how!" — 2003-04-07
• "Amen!" — 1999-09-09
• "Couldn't agree with you more" — 1995-10-04