| Table 3. Estimated stock numbers at age. | ||||||||||
| Year Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 2009 | 125768002 | 39155746 | 5407638 | 11600804 | 9669692 | 4941125 | 5821359 | 3871249 | 1673905 | 1053322 |
| 2010 | 111267848 | 123274861 | 31876204 | 5159383 | 6467539 | 3881320 | 2712526 | 4229190 | 2014613 | 1616747 |
| 2011 | 40347445 | 92925894 | 80752905 | 21788812 | 3298953 | 4669253 | 2407808 | 1729847 | 1484463 | 1093533 |
| 2012 | 32817819 | 37298288 | 62670177 | 44897619 | 15025393 | 3455101 | 4579399 | 1801841 | 1009933 | 1295731 |
| 2013 | 29108224 | 21011591 | 23657264 | 34670419 | 26863075 | 8351031 | 3630078 | 3789387 | 1299974 | 2203391 |
| 2014 | 49294580 | 23801989 | 20868023 | 23502695 | 25326967 | 17992742 | 5405421 | 2876765 | 2985831 | 3937279 |
| 2015 | 20588558 | 31284081 | 24025596 | 18886612 | 19709901 | 17141127 | 10840005 | 4413964 | 1746110 | 4005402 |
| 2016 | 16429970 | 18455446 | 24082923 | 20383715 | 17649310 | 17175274 | 12448376 | 6771708 | 4840439 | 2894130 |