Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1997 | 24125 | 9593 | 10123 | 1274 | 278 | 114 |
1998 | 22404 | 14771 | 3142 | 2383 | 281 | 86 |
1999 | 21047 | 11876 | 4873 | 692 | 490 | 75 |
2000 | 17379 | 10686 | 3418 | 1082 | 140 | 114 |
2001 | 17687 | 7586 | 2816 | 701 | 212 | 50 |
2002 | 17835 | 7018 | 1596 | 587 | 133 | 50 |
2003 | 12192 | 8190 | 1309 | 311 | 125 | 38 |
2004 | 19303 | 5144 | 1619 | 265 | 75 | 40 |
2005 | 14438 | 9140 | 728 | 343 | 61 | 26 |
2006 | 14921 | 6443 | 1410 | 141 | 88 | 22 |
2007 | 11634 | 6359 | 648 | 264 | 36 | 29 |
2008 | 10788 | 4169 | 409 | 98 | 53 | 13 |
2009 | 13255 | 3317 | 156 | 68 | 15 | 10 |
2010 | 14152 | 5097 | 152 | 29 | 11 | 4 |
2011 | 14535 | 4436 | 542 | 27 | 6 | 3 |
2012 | 16246 | 4789 | 442 | 129 | 7 | 2 |
2013 | 19577 | 6071 | 728 | 114 | 46 | 3 |
2014 | 15461 | 7254 | 1198 | 223 | 50 | 21 |
2015 | 13346 | 4692 | 1332 | 392 | 105 | 33 |
2016 | 12668 | 3830 | 651 | 377 | 177 | 63 |
2017 | 16296 | 2601 | 457 | 156 | 133 | 85 |
2018 | 10741 | 3852 | 256 | 97 | 36 | 49 |
2019 | 12621 | 1653 | 396 | 43 | 14 | 11 |
2020 | 11363 | 2103 | 113 | 59 | 5 | 3 |
2021 | 10972 | 2301 | 146 | 9 | 7 | 1 |
2022 | 10986 | 1666 | 131 | 13 | 1 | 1 |