Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1997 | 16909 | 6456 | 9118 | 1408 | 325 | 133 |
1998 | 13897 | 11677 | 2784 | 2706 | 377 | 111 |
1999 | 14373 | 9147 | 5869 | 694 | 575 | 106 |
2000 | 7458 | 8825 | 3734 | 1411 | 162 | 144 |
2001 | 6110 | 4371 | 3114 | 852 | 260 | 60 |
2002 | 11668 | 3841 | 1623 | 650 | 136 | 59 |
2003 | 2625 | 6684 | 1329 | 394 | 159 | 41 |
2004 | 17380 | 1794 | 2257 | 342 | 114 | 65 |
2005 | 8446 | 10213 | 552 | 677 | 96 | 51 |
2006 | 8759 | 4847 | 2944 | 159 | 171 | 42 |
2007 | 2410 | 3900 | 1058 | 575 | 48 | 72 |
2008 | 1393 | 892 | 590 | 194 | 128 | 30 |
2009 | 4450 | 555 | 167 | 108 | 42 | 24 |
2010 | 4080 | 2063 | 159 | 43 | 21 | 11 |
2011 | 4976 | 2087 | 573 | 50 | 13 | 8 |
2012 | 11213 | 2405 | 445 | 185 | 25 | 9 |
2013 | 15230 | 5471 | 824 | 210 | 68 | 17 |
2014 | 5067 | 8652 | 1612 | 437 | 122 | 46 |
2015 | 3242 | 2124 | 2578 | 918 | 252 | 100 |
2016 | 861 | 1346 | 792 | 956 | 419 | 163 |
2017 | 4443 | 527 | 467 | 247 | 263 | 149 |
2018 | 696 | 1749 | 115 | 158 | 91 | 130 |
2019 | 1381 | 381 | 472 | 45 | 43 | 30 |
2020 | 2840 | 632 | 115 | 185 | 11 | 18 |