Performance guide for IF?

So recently I made a rough performance table for myself for the A320 with the big winglets in regards to when to climb for less fuel burn. Are there any of these floating around?
BTW the data I got was
320 climb to 340 at 71000kg and 360 at 63000kg
310 climb to 330 at 73000kg, 350 at 68000kg and 370 at 61000kg

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