| Table 3. Estimated stock numbers at age. | ||||||
| Year Age | 1 | 2 | 3 | 4 | 5 | 6 |
| 2014 | 42908 | 29013 | 26765 | 17354 | 1924 | 93 |
| 2015 | 27819 | 43906 | 41810 | 32712 | 6981 | 643 |
| 2016 | 39945 | 35926 | 30804 | 20109 | 6778 | 1082 |
| 2017 | 11306 | 18945 | 17700 | 15928 | 6635 | 1994 |
| 2018 | 6497 | 9311 | 10429 | 7862 | 8605 | 2230 |
| 2019 | 6690 | 7462 | 3816 | 3839 | 3417 | 2030 |
| 2020 | 6466 | 4737 | 5284 | 4403 | 2806 | 797 |
| 2021 | 3359 | 3811 | 3718 | 2506 | 1875 | 359 |
| 2022 | 4145 | 2339 | 1905 | 2201 | 1523 | 831 |
| 2023 | 6793 | 3735 | 4303 | 2037 | 704 | 400 |
| 2024 | 3096 | 3540 | 2180 | 2116 | 1476 | 798 |
| 2025 | 4019 | 3134 | 2029 | 1021 | 1000 | 974 |