Recovering accidentally deleted Apple Numbers template with six months of data

I am trying to retrieve a template which i accidentally deleted from apple numbers I have tried icloud retrieval iphone retrieval recently deleted files and it appears no where. There were six months of data which got deleted. Is there any way to retrieve it

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Original Title: i am a apple numbers user. i had a template with six months of data in it. i accidentally pressed delete and the template and data has disappeared I have tried all the standard approaches to retrieve it from icloud from the iPhone from