This shows the number of ores you would need to go ten levels. Note: The number is added on top of what you already have mined, so if your level 70, it gives you the number you would need to go from 70-80, no 1-80.

Basic (Complete) Stats
Level 1-10: You need to mine 66 Tin/Copper Ores (1153 exp)

Level 10-20: You need to mine 190 Tin/Copper Ores (3316 exp), this will allow
you to mine Iron (Level 15) …