| Value | Category | 
|---|---|
| 995 | No food cooked in house | 
| 100 | Electricity | 
| 200 | Petroleum-based | 
| 210 | Gasoline | 
| 220 | LPG, natural gas | 
| 221 | LPG (liquefied petroleum gas) | 
| 222 | Natural gas | 
| 230 | Bottled gas (butane or propane) | 
| 240 | Kerosene | 
| 300 | Biogas | 
| 400 | Coal-based | 
| 410 | Coal, lignite | 
| 411 | Coal, coke, lignite | 
| 500 | Wood- or grass-based | 
| 510 | Wood | 
| 520 | Charcoal | 
| 530 | Firewood, straw | 
| 540 | Straw, shrub, grass | 
| 600 | Dung | 
| 700 | Agricultural crop-based | 
| 710 | Crop residues | 
| 720 | Maize or other crop waste | 
| 800 | Other | 
| 996 | Non-resident | 
| 998 | Missing | 
| 801 | Jelly | 
| 802 | Solar | 
| 804 | Improved smokeless cook stove | 
| 999 | NIU (not in universe) | 
| 803 | Cardboard/paper | 
| var_concept.title | Vocabulary | 
|---|---|
| Housing Variables -- TOPICS | IPUMS |