How can i contact multiple events by a field

i have a field named ID ,maybe 3 or 4 events use the same ID for example a field named Result ,it contain four result leave ,cancel ,success , error, now events [ID:5728][Result:leave],
[ID:5728][Result:success],[ID:5729][Result:leave],[ID:5729][Result:cancel] then when i statistics ,if result have success ,use success as result , if result have cancel but not success ,use cancel as result , if only have leave , use leave as result, and i want to make a pie to statistical percentage

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