| Table 3. Estimated stock numbers at age. | ||||||||||
| Year Age | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 2016 | 376 | 336 | 239 | 203 | 147 | 89 | 54 | 31 | 15 | 34 |
| 2017 | 356 | 320 | 272 | 183 | 145 | 99 | 61 | 37 | 20 | 28 |
| 2018 | 428 | 302 | 259 | 207 | 129 | 97 | 67 | 40 | 23 | 27 |
| 2019 | 545 | 364 | 244 | 198 | 147 | 87 | 66 | 45 | 26 | 29 |
| 2020 | 382 | 461 | 287 | 180 | 133 | 93 | 56 | 42 | 27 | 29 |
| 2021 | 150 | 322 | 361 | 208 | 118 | 82 | 58 | 35 | 25 | 29 |
| 2022 | 113 | 127 | 253 | 262 | 138 | 74 | 53 | 38 | 21 | 30 |
| 2023 | 145 | 96 | 100 | 186 | 177 | 88 | 48 | 34 | 23 | 28 |
| 2024 | 544 | 122 | 75 | 73 | 125 | 113 | 57 | 31 | 21 | 28 |