Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1997 | 15670 | 5978 | 8865 | 1436 | 321 | 132 |
1998 | 12198 | 11338 | 2695 | 2644 | 368 | 112 |
1999 | 11780 | 8492 | 5641 | 701 | 565 | 103 |
2000 | 6720 | 8007 | 3529 | 1363 | 156 | 145 |
2001 | 5783 | 4079 | 2950 | 795 | 257 | 58 |
2002 | 9047 | 3312 | 1435 | 602 | 122 | 51 |
2003 | 2126 | 4872 | 994 | 291 | 119 | 32 |
2004 | 9034 | 1232 | 1541 | 242 | 86 | 47 |
2005 | 4144 | 4623 | 260 | 307 | 43 | 23 |
2006 | 5045 | 2340 | 1395 | 81 | 95 | 21 |
2007 | 1748 | 2556 | 705 | 378 | 34 | 50 |
2008 | 1112 | 743 | 493 | 168 | 104 | 24 |
2009 | 3417 | 482 | 148 | 98 | 33 | 22 |
2010 | 3113 | 1586 | 129 | 36 | 16 | 9 |
2011 | 3909 | 1499 | 405 | 39 | 10 | 7 |
2012 | 8341 | 1831 | 344 | 136 | 18 | 7 |
2013 | 12082 | 3899 | 639 | 166 | 59 | 12 |
2014 | 3941 | 5865 | 1254 | 343 | 94 | 40 |
2015 | 2439 | 1632 | 1891 | 713 | 199 | 78 |
2016 | 573 | 1074 | 636 | 809 | 350 | 138 |
2017 | 5197 | 326 | 343 | 220 | 280 | 165 |
2018 | 640 | 2318 | 58 | 121 | 114 | 231 |