Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1997 | 15364 | 6471 | 8949 | 1377 | 340 | 135 |
1998 | 14108 | 10842 | 2625 | 2764 | 407 | 111 |
1999 | 12526 | 9103 | 5978 | 663 | 590 | 111 |
2000 | 7663 | 8344 | 3624 | 1413 | 171 | 142 |
2001 | 6311 | 4085 | 2923 | 921 | 250 | 60 |
2002 | 10456 | 3787 | 1559 | 572 | 124 | 58 |
2003 | 2239 | 5398 | 1186 | 361 | 130 | 32 |
2004 | 13901 | 1657 | 1926 | 310 | 99 | 59 |
2005 | 7096 | 8845 | 488 | 646 | 83 | 47 |
2006 | 8553 | 4520 | 2755 | 154 | 144 | 39 |
2007 | 2498 | 3689 | 992 | 550 | 46 | 74 |
2008 | 1206 | 798 | 553 | 167 | 133 | 29 |
2009 | 3515 | 471 | 149 | 103 | 41 | 19 |
2010 | 3328 | 1657 | 145 | 38 | 19 | 9 |
2011 | 4220 | 1873 | 478 | 40 | 13 | 7 |
2012 | 8950 | 1853 | 354 | 148 | 23 | 9 |
2013 | 12057 | 4264 | 706 | 189 | 49 | 16 |
2014 | 4145 | 7074 | 1303 | 382 | 114 | 38 |
2015 | 2145 | 1423 | 2257 | 880 | 237 | 95 |
2016 | 285 | 695 | 688 | 934 | 466 | 163 |
2017 | 4109 | 208 | 264 | 321 | 352 | 169 |
2018 | 539 | 2188 | 62 | 144 | 193 | 331 |