Historical clue formulations

• Coppertone stats, for short — 2019-06-17
• Nos. at the beach — 2019-03-28
• 15, 30 and 50 are common ones, in brief — 2017-12-08
• Nos. at the beach — 2016-10-13
• UV blockage nos. — 2011-05-15
• Nos. on some lotion bottles — 2009-04-11
• Beach nos. — 2008-10-10
• Concerns of some bathers: Abbr. — 2005-02-26
• Coppertone nos. — 2003-03-30