Historical clue formulations

• Not surprisingly — 2022-03-20
• "Predictably ..." — 2021-11-28
• Predictably — 2020-05-20
• In keeping with tradition — 2019-10-11
• Predictably — 2017-03-18
• In an ordinary fashion — 2016-04-15
• Per routine — 2013-02-05
• Unsurprisingly — 2012-05-20
• By tradition — 2010-01-13
• Not surprisingly — 2003-09-10
• Predictably — 1999-02-12