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Bureau of Energy Efficiency's sample specification across the five climatic zones (Source: BEE (2021))
| Climatic Zone | Population Proportion | Number of Cities | Sample | Sample Percentage Allocation |
|---|---|---|---|---|
| Hot-Dry | 17% | 2 | 30 | 15% |
| Temperate | 4% | 1 | 20 | 10% |
| Composite | 37% | 5 | 70 | 34% |
| Warm-Humid | 41% | 4 | 70 | 34% |
| Cold | 1% | 1 | 15 | 7% |
| Total | 100% | 13 | 205 | 100% |
