| Main dwellings in buildings destined mainly for dwellings with some type of heating method according to year of construction of the building (grouped) by fuel used . 37-Salamanca |
| TOTAL | Before 1900 | 1900-1920 | 1921-1940 | 1941-1950 | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2001 | |||
| TOTAL | 107251 | 5419 | 3033 | 3073 | 4510 | 9528 | 18268 | 26569 | 16881 | 19970 | ||
| 28,62% | 15,10% | 15,53% | 19,20% | 23,06% | 26,56% | 34,92% | 22,91% | 21,05% | 46,16% | |||
| Gas | ||||||||||||
| Electricity | 16,42% | 26,44% | 25,68% | 23,40% | 27,45% | 27,12% | 22,40% | 12,06% | 11,12% | 8,46% | ||
| Petroleum or derivatives | 38,21% | 26,61% | 29,54% | 31,50% | 26,90% | 28,43% | 24,45% | 45,60% | 54,23% | 40,13% | ||
| Wood | 8,41% | 21,61% | 20,15% | 18,45% | 13,66% | 9,53% | 5,58% | 6,14% | 10,09% | 3,97% | ||
| Coal or derivatives | 7,77% | 9,54% | 8,47% | 6,57% | 8,18% | 7,42% | 12,08% | 12,65% | 3,04% | 0,98% | ||
| Others | 0,58% | 0,70% | 0,63% | 0,88% | 0,75% | 0,93% | 0,56% | 0,64% | 0,47% | 0,31% | ||