cewLevelEntry
1.3.6.1.4.1.9.9.683.1.7.1
A cewLevelEntry extends a corresponding cewEntEntry. This
entry displays max usage and delta values at each level.
For example,
Given the values of a Cisco EnergyWise entity as below:
Level Usage UsageProvisioned
2 11 15
UsageVector DeltaVector
(0,10,15,25,35,...100) (11, 1, -4, -14, -24,...,-89)