| Gryffindor | Ravenclaw | Hufflepuff | Slytherin | |
| 68-69 | 532 | 433 | 675 | 666 |
| 69-70 | 102 | 96 | 85 | 170 |
| 70-71 | 24 | 27 | 20 | 22 |
| 71-72 | 201 | 183 | 229 | 306 |
| 72-73 | 525 | 222 | 289 | 523 |
| 73-74 | 712 | 545 | 671 | 519 |
| 74-75 | 397 | 674 | 704 | 709 |
| 75-76 | 442 | 541 | 471 | 376 |
| 76-77 | 297 | 296 | 443 | 311 |
| 77-78 | 301 | 330 | 268 | 180 |
| 78-79 | 310 | 364 | 367 | 189 |
| 79-80 | 199 | 217 | 212 | 273 |
| 80-81 | 228 | 166 | 168 | 182 |
| 81-82 | 234 | 188 | 250 | 153 |
