| Table 3. Estimated stock numbers at age. | |||||||||
| Year Age | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 2000 | 355 | 131 | 86 | 84 | 5 | 1 | 0 | 0 | 0 |
| 2001 | 426 | 291 | 106 | 43 | 20 | 2 | 1 | 0 | 0 |
| 2002 | 350 | 349 | 234 | 55 | 11 | 9 | 1 | 0 | 0 |
| 2003 | 658 | 287 | 279 | 121 | 16 | 5 | 5 | 1 | 0 |
| 2004 | 1613 | 539 | 229 | 153 | 38 | 6 | 2 | 3 | 0 |
| 2005 | 4044 | 1320 | 430 | 115 | 44 | 12 | 3 | 1 | 0 |
| 2006 | 5295 | 3311 | 1048 | 212 | 27 | 15 | 5 | 1 | 0 |
| 2007 | 5065 | 4335 | 2623 | 499 | 46 | 10 | 7 | 3 | 0 |
| 2008 | 1825 | 4147 | 3468 | 1347 | 45 | 16 | 4 | 4 | 1 |
| 2009 | 5099 | 1494 | 3334 | 2007 | 121 | 11 | 6 | 2 | 2 |
| 2010 | 3167 | 4176 | 1206 | 2126 | 318 | 27 | 5 | 3 | 2 |
| 2011 | 4522 | 2593 | 3385 | 808 | 593 | 65 | 12 | 2 | 2 |
| 2012 | 5238 | 3702 | 2107 | 2313 | 278 | 109 | 27 | 5 | 2 |
| 2013 | 7436 | 4287 | 3014 | 1469 | 841 | 69 | 43 | 13 | 2 |
| 2014 | 6441 | 6087 | 3499 | 2128 | 643 | 153 | 25 | 17 | 5 |
| 2015 | 7773 | 5273 | 4973 | 2553 | 756 | 201 | 54 | 10 | 9 |
| 2016 | 8849 | 6364 | 4310 | 3689 | 1027 | 206 | 76 | 22 | 9 |
| 2017 | 6152 | 7245 | 5201 | 3242 | 1688 | 326 | 86 | 31 | 14 |
| 2018 | 5581 | 5037 | 5923 | 3947 | 1785 | 606 | 122 | 32 | 18 |
| 2019 | 7535 | 4570 | 4119 | 4489 | 2158 | 736 | 166 | 36 | 16 |
| 2020 | 3930 | 6170 | 3737 | 3097 | 2569 | 851 | 200 | 36 | 16 |
| 2021 | 6718 | 3218 | 5044 | 2802 | 1831 | 1223 | 228 | 42 | 16 |
| 2022 | 2996 | 5501 | 2632 | 3807 | 1684 | 999 | 467 | 66 | 20 |
| 2023 | 1638 | 2453 | 4497 | 2005 | 2236 | 927 | 441 | 168 | 34 |
| 2024 | 794 | 1341 | 2006 | 3364 | 1261 | 1140 | 403 | 179 | 90 |
| 2025 | 423 | 650 | 1097 | 1507 | 1984 | 713 | 405 | 155 | 100 |