Across the past few years or over the past few years
It's probably "over", but I would have to see the CONTEXT! htm ), you'll see that context matters. "Across" is possible but not likely.
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It's probably "over", but I would have to see the CONTEXT! Sorry for yelling, but if you read the guidelines ( https://www.englishforums.com/English/GeneralGuidelinesTermsConditions/khz/post.htm ), you'll see that context matters. "Across" is possible