Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 385386 | 245487 | 83868 | 20296 | 4017 | 1707 | 178 |
1967 | 376247 | 273758 | 112533 | 29644 | 5757 | 1106 | 568 |
1968 | 338067 | 257301 | 107474 | 31698 | 6402 | 1185 | 378 |
1969 | 299839 | 237756 | 115266 | 36098 | 8548 | 1704 | 453 |
1970 | 254740 | 209190 | 104715 | 38216 | 9383 | 2211 | 622 |
1971 | 268606 | 177371 | 92689 | 34718 | 10137 | 2448 | 824 |
1972 | 328076 | 193300 | 88433 | 36279 | 11264 | 3337 | 1171 |
1973 | 385771 | 234451 | 92967 | 32598 | 10965 | 3412 | 1536 |
1974 | 385771 | 280127 | 116774 | 35632 | 10308 | 3505 | 1762 |
1975 | 320296 | 283793 | 145656 | 47524 | 12075 | 3516 | 1985 |
1976 | 305896 | 233982 | 150392 | 61206 | 16890 | 4296 | 2152 |
1977 | 394747 | 225709 | 123007 | 61821 | 21154 | 5881 | 2471 |
1978 | 649527 | 298642 | 128798 | 55938 | 23885 | 8266 | 3520 |
1979 | 601391 | 497325 | 181861 | 65382 | 24563 | 10546 | 5559 |
1980 | 488454 | 449999 | 296262 | 90129 | 28283 | 10619 | 7368 |
1981 | 603801 | 361494 | 255506 | 137036 | 35846 | 11447 | 7760 |
1982 | 617232 | 454067 | 202602 | 112758 | 51431 | 13703 | 7925 |
1983 | 468364 | 458172 | 251199 | 86682 | 40095 | 18727 | 8439 |
1984 | 337055 | 345242 | 258074 | 112084 | 32435 | 15246 | 11118 |
1985 | 296855 | 243775 | 179512 | 103156 | 36901 | 10948 | 9603 |
1986 | 267533 | 213203 | 125744 | 69843 | 33290 | 12336 | 7408 |
1987 | 288659 | 192336 | 104925 | 44936 | 20060 | 10059 | 6488 |
1988 | 200186 | 206489 | 94466 | 37198 | 12760 | 6036 | 5390 |
1989 | 121662 | 143774 | 103259 | 35066 | 11308 | 4127 | 3968 |
1990 | 104089 | 87116 | 68872 | 35383 | 9738 | 3429 | 2661 |
1991 | 89769 | 70898 | 36680 | 18680 | 7219 | 2282 | 1585 |
1992 | 131006 | 60476 | 27038 | 8748 | 3171 | 1412 | 841 |
1993 | 174905 | 95798 | 30730 | 9861 | 2572 | 1007 | 762 |
1994 | 148449 | 134054 | 61329 | 16749 | 4681 | 1270 | 902 |
1995 | 127389 | 110194 | 79301 | 30001 | 7102 | 2071 | 1008 |
1996 | 109426 | 92967 | 59042 | 32860 | 10473 | 2705 | 1214 |
1997 | 83952 | 77886 | 45026 | 20457 | 9121 | 3353 | 1335 |
1998 | 123624 | 59814 | 36461 | 14743 | 5233 | 2738 | 1498 |
1999 | 129962 | 88876 | 28739 | 12221 | 3885 | 1615 | 1385 |
2000 | 134861 | 92689 | 42066 | 9423 | 3138 | 1175 | 959 |
2001 | 97734 | 89680 | 34718 | 9484 | 1532 | 656 | 473 |
2002 | 97538 | 60840 | 25719 | 5069 | 938 | 210 | 165 |
2003 | 60234 | 66703 | 24173 | 6604 | 1024 | 237 | 97 |
2004 | 52523 | 40336 | 24588 | 5256 | 1133 | 230 | 78 |
2005 | 98125 | 32958 | 11701 | 3617 | 547 | 162 | 46 |
2006 | 102437 | 68734 | 13848 | 3241 | 819 | 143 | 56 |
2007 | 110747 | 71254 | 29584 | 3964 | 756 | 228 | 55 |
2008 | 141917 | 73350 | 26556 | 6631 | 709 | 166 | 64 |
2009 | 138552 | 95798 | 26957 | 5801 | 1148 | 167 | 54 |
2010 | 146239 | 95130 | 40175 | 7134 | 1295 | 321 | 63 |
2011 | 160813 | 92134 | 26423 | 5391 | 713 | 199 | 58 |
2012 | 122394 | 112984 | 39855 | 7382 | 1288 | 213 | 77 |
2013 | 147709 | 80258 | 38407 | 7359 | 1094 | 271 | 60 |
2014 | 150693 | 98913 | 27667 | 7280 | 1118 | 237 | 71 |
2015 | 144640 | 99409 | 32533 | 4811 | 998 | 222 | 60 |