Extracting Values Appearing More than Twice
                If you need to extract duplicate values from a larger list of values, there are multiple ways you can do it. If you need to extract only those values where the duplicate count is above a threshold, then the solution can be a bit more challenging. This tip provides some ideas you can use to get the values you need. 
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                (Thanks to Steve Aprahamian, Ryszard Raciborski, Andrew Gray, Don Small, Peter Burns, Kevin Keyser, Brian Dorey, Fred van der Meulen, Andrija Vrcan, Haig Johnson, Gerald DeGraaf, Jacques Raubenheimer, Dick Downey, Patrick Sedgwick, Michael Avidan (MVP), Ken Kast, Ronald Doeleman, Andrew McIsaac, Nick Rea, and Christos Constantinou for contributing to this tip.) 
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