Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1997 | 13692 | 5750 | 8584 | 1363 | 317 | 128 |
1998 | 12085 | 9994 | 2525 | 2576 | 364 | 106 |
1999 | 10808 | 8079 | 5312 | 650 | 548 | 101 |
2000 | 6249 | 7476 | 3375 | 1328 | 153 | 136 |
2001 | 4591 | 3709 | 2724 | 794 | 243 | 56 |
2002 | 8115 | 3030 | 1347 | 549 | 116 | 50 |
2003 | 1456 | 4344 | 919 | 278 | 109 | 27 |
2004 | 8287 | 1121 | 1464 | 234 | 80 | 45 |
2005 | 3099 | 3926 | 216 | 272 | 36 | 20 |
2006 | 3993 | 1832 | 1130 | 63 | 67 | 16 |
2007 | 1076 | 1724 | 448 | 246 | 21 | 31 |
2008 | 437 | 289 | 192 | 61 | 41 | 9 |
2009 | 1283 | 154 | 43 | 31 | 10 | 6 |
2010 | 1019 | 568 | 42 | 11 | 6 | 3 |
2011 | 1097 | 518 | 143 | 11 | 3 | 2 |
2012 | 2148 | 447 | 86 | 36 | 4 | 2 |
2013 | 2611 | 959 | 154 | 41 | 13 | 3 |
2014 | 942 | 1473 | 315 | 86 | 24 | 10 |
2015 | 730 | 378 | 497 | 193 | 53 | 21 |
2016 | 199 | 269 | 160 | 195 | 95 | 38 |
2017 | 1361 | 139 | 118 | 62 | 67 | 40 |
2018 | 133 | 419 | 26 | 38 | 22 | 31 |
2019 | 290 | 64 | 69 | 7 | 8 | 5 |
2020 | 805 | 148 | 8 | 14 | 1 | 2 |
2021 | 180 | 389 | 23 | 2 | 5 | 1 |