| 991231 | - | 1 | = | 991230 |
| 991231 | - | 2 | = | 991229 |
| 991231 | - | 3 | = | 991228 |
| 991231 | - | 4 | = | 991227 |
| 991231 | - | 5 | = | 991226 |
| 991231 | - | 6 | = | 991225 |
| 991231 | - | 7 | = | 991224 |
| 991231 | - | 8 | = | 991223 |
| 991231 | - | 9 | = | 991222 |
| 991231 | - | 10 | = | 991221 |
| 991231 | - | 11 | = | 991220 |
| 991231 | - | 12 | = | 991219 |
| 991231 | - | 13 | = | 991218 |
| 991231 | - | 14 | = | 991217 |
| 991231 | - | 15 | = | 991216 |
| 991231 | - | 16 | = | 991215 |
| 991231 | - | 17 | = | 991214 |
| 991231 | - | 18 | = | 991213 |
| 991231 | - | 19 | = | 991212 |
| 991231 | - | 20 | = | 991211 |
| 991231 | - | 21 | = | 991210 |
| 991231 | - | 22 | = | 991209 |
| 991231 | - | 23 | = | 991208 |
| 991231 | - | 24 | = | 991207 |
| 991231 | - | 25 | = | 991206 |
| 991231 | - | 26 | = | 991205 |
| 991231 | - | 27 | = | 991204 |
| 991231 | - | 28 | = | 991203 |
| 991231 | - | 29 | = | 991202 |
| 991231 | - | 30 | = | 991201 |
| 991231 | - | 31 | = | 991200 |
| 991231 | - | 32 | = | 991199 |
| 991231 | - | 33 | = | 991198 |
| 991231 | - | 34 | = | 991197 |
| 991231 | - | 35 | = | 991196 |
| 991231 | - | 36 | = | 991195 |
| 991231 | - | 37 | = | 991194 |
| 991231 | - | 38 | = | 991193 |
| 991231 | - | 39 | = | 991192 |
| 991231 | - | 40 | = | 991191 |
| 991231 | - | 41 | = | 991190 |
| 991231 | - | 42 | = | 991189 |
| 991231 | - | 43 | = | 991188 |
| 991231 | - | 44 | = | 991187 |
| 991231 | - | 45 | = | 991186 |
| 991231 | - | 46 | = | 991185 |
| 991231 | - | 47 | = | 991184 |
| 991231 | - | 48 | = | 991183 |
| 991231 | - | 49 | = | 991182 |
| 991231 | - | 50 | = | 991181 |