Performance appraisal form with Skills, parameters & questions - What is the appraisal percentage depending on 1 to 5 ratings?

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Hi Connections, I am working in small IT company need to do appraisals, please guide me what should be the standard percentage increase in salary as per performance rating 1 to 5. If some one have performance appraisal form with Skills, parameters & questions, please share it.
Thanks & Regards
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