| Table 3. Estimated stock numbers at age. | ||||||||||
| Year Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 1994 | 34464 | 11286 | 5688 | 6301 | 4026 | 2771 | 1372 | 770 | 300 | 460 |
| 1995 | 36873 | 14309 | 6292 | 3486 | 3903 | 2295 | 1387 | 604 | 300 | 322 |
| 1996 | 41208 | 15342 | 7915 | 3784 | 2108 | 2149 | 1097 | 582 | 225 | 257 |
| 1997 | 47771 | 17170 | 8528 | 4760 | 2273 | 1138 | 1019 | 467 | 227 | 209 |
| 1998 | 43667 | 20245 | 9544 | 5184 | 2820 | 1200 | 528 | 440 | 188 | 196 |
| 1999 | 39159 | 18277 | 11339 | 5838 | 3028 | 1430 | 539 | 227 | 186 | 182 |
| 2000 | 35706 | 16344 | 10216 | 7081 | 3447 | 1550 | 637 | 231 | 96 | 175 |
| 2001 | 38315 | 14771 | 9131 | 6388 | 4245 | 1792 | 708 | 276 | 99 | 130 |
| 2002 | 36816 | 16108 | 8177 | 5778 | 3848 | 2251 | 821 | 298 | 113 | 106 |
| 2003 | 29967 | 15530 | 8992 | 5156 | 3516 | 2059 | 1060 | 359 | 128 | 103 |
| 2004 | 31701 | 12325 | 8667 | 5731 | 3116 | 1871 | 949 | 447 | 146 | 102 |
| 2005 | 35459 | 13195 | 6750 | 5580 | 3499 | 1661 | 862 | 397 | 182 | 105 |
| 2006 | 39390 | 14819 | 7361 | 4294 | 3434 | 1865 | 760 | 361 | 163 | 121 |
| 2007 | 41417 | 16520 | 8230 | 4794 | 2580 | 1809 | 849 | 318 | 150 | 117 |
| 2008 | 34910 | 17544 | 9186 | 5306 | 2919 | 1325 | 839 | 373 | 142 | 117 |
| 2009 | 31899 | 14522 | 9814 | 5946 | 3174 | 1531 | 607 | 367 | 169 | 113 |
| 2010 | 32895 | 13227 | 8142 | 6378 | 3626 | 1699 | 736 | 264 | 166 | 123 |
| 2011 | 31675 | 13793 | 7311 | 5318 | 3937 | 1977 | 823 | 320 | 116 | 118 |
| 2012 | 29115 | 13264 | 7706 | 4710 | 3309 | 2197 | 984 | 362 | 140 | 92 |
| 2013 | 29844 | 12084 | 7324 | 4993 | 2883 | 1857 | 1110 | 439 | 158 | 90 |
| 2014 | 27006 | 11918 | 6382 | 4700 | 3104 | 1630 | 961 | 519 | 200 | 101 |
| 2015 | 21107 | 11370 | 6759 | 4090 | 2897 | 1776 | 838 | 448 | 238 | 123 |
| 2016 | 18724 | 8540 | 6438 | 4399 | 2481 | 1625 | 907 | 388 | 205 | 151 |
| 2017 | 18811 | 7530 | 4592 | 4133 | 2702 | 1383 | 818 | 413 | 172 | 145 |
| 2018 | 17673 | 7308 | 4049 | 2957 | 2480 | 1510 | 695 | 372 | 183 | 131 |
| 2019 | 18081 | 6952 | 3977 | 2586 | 1781 | 1354 | 744 | 312 | 161 | 128 |
| 2020 | 19519 | 8138 | 3956 | 2581 | 1548 | 982 | 658 | 326 | 133 | 116 |
| 2021 | 17643 | 7739 | 4546 | 2581 | 1542 | 829 | 466 | 279 | 131 | 95 |
| 2022 | 20106 | 7681 | 4349 | 2962 | 1511 | 789 | 368 | 186 | 107 | 82 |
| 2023 | 19503 | 8209 | 4246 | 2847 | 1738 | 788 | 357 | 149 | 74 | 71 |
| 2024 | 19057 | 8588 | 4725 | 2770 | 1660 | 906 | 359 | 144 | 58 | 54 |
| 2025 | 18569 | 8175 | 4739 | 3118 | 1629 | 869 | 411 | 142 | 55 | 41 |