Table 2. Estimated stock numbers. | ||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 666636 | 413743 | 232582 | 69217 | 22449 | 4431 | 1769 | 171 |
1967 | 619706 | 366957 | 291851 | 96955 | 25489 | 7399 | 1222 | 540 |
1968 | 533386 | 341124 | 255761 | 115382 | 34269 | 7792 | 965 | 221 |
1969 | 452707 | 292728 | 237044 | 103466 | 36571 | 8756 | 2186 | 334 |
1970 | 484077 | 246225 | 199786 | 97246 | 37647 | 8514 | 2522 | 736 |
1971 | 577810 | 264607 | 168215 | 85734 | 34857 | 10443 | 2412 | 928 |
1972 | 743408 | 316159 | 185165 | 81308 | 32403 | 9494 | 4279 | 1361 |
1973 | 784655 | 411268 | 222793 | 86163 | 29644 | 9665 | 3581 | 2214 |
1974 | 580706 | 436263 | 300740 | 111636 | 31508 | 8757 | 3690 | 2260 |
1975 | 577810 | 315212 | 327420 | 153737 | 44981 | 10701 | 3249 | 2237 |
1976 | 820771 | 313013 | 232118 | 160171 | 63704 | 17812 | 4142 | 2156 |
1977 | 1279526 | 449100 | 237044 | 123748 | 62069 | 21738 | 5716 | 2053 |
1978 | 1064483 | 718557 | 349060 | 143487 | 55271 | 20294 | 6606 | 2351 |
1979 | 853414 | 585370 | 555709 | 214272 | 72548 | 22584 | 8760 | 3914 |
1980 | 1148538 | 459549 | 435391 | 331705 | 107152 | 33190 | 9608 | 5308 |
1981 | 1141667 | 637303 | 338405 | 251702 | 148747 | 40498 | 13196 | 5918 |
1982 | 820771 | 633490 | 486018 | 209609 | 109535 | 51792 | 13313 | 6384 |
1983 | 567502 | 450900 | 474018 | 292728 | 95225 | 38407 | 16450 | 6122 |
1984 | 467895 | 309279 | 326766 | 280127 | 132853 | 34752 | 13997 | 8351 |
1985 | 485046 | 254740 | 220136 | 173338 | 117008 | 44267 | 10930 | 7030 |
1986 | 550180 | 265402 | 177194 | 117125 | 69217 | 41815 | 14576 | 5928 |
1987 | 377377 | 307429 | 190422 | 97149 | 43217 | 20583 | 9987 | 4928 |
1988 | 227067 | 208147 | 219257 | 100108 | 36717 | 13543 | 5727 | 4136 |
1989 | 185907 | 123254 | 147414 | 104925 | 35207 | 12715 | 4449 | 3227 |
1990 | 164884 | 101824 | 88168 | 65513 | 30031 | 9588 | 3999 | 2445 |
1991 | 241349 | 88876 | 70686 | 39458 | 17384 | 6284 | 2570 | 1763 |
1992 | 313013 | 133786 | 62944 | 27778 | 9747 | 3056 | 1303 | 887 |
1993 | 250446 | 174905 | 99310 | 34718 | 10334 | 2652 | 778 | 553 |
1994 | 222793 | 136762 | 131137 | 61451 | 18947 | 4368 | 1349 | 683 |
1995 | 201390 | 121905 | 99310 | 75132 | 30946 | 7785 | 1955 | 930 |
1996 | 170416 | 110415 | 88965 | 55050 | 33390 | 10756 | 2814 | 1016 |
1997 | 240145 | 92042 | 80580 | 44223 | 20155 | 8262 | 4077 | 1490 |
1998 | 256530 | 133519 | 68460 | 38446 | 15714 | 4508 | 2648 | 1791 |
1999 | 260407 | 140927 | 99907 | 37049 | 14307 | 3657 | 1579 | 1565 |
2000 | 237756 | 143344 | 103570 | 51792 | 14026 | 3584 | 1349 | 1179 |
2001 | 239187 | 129832 | 101519 | 49662 | 15767 | 3504 | 1306 | 913 |
2002 | 185535 | 131400 | 91217 | 45479 | 13235 | 3531 | 1261 | 807 |
2003 | 191952 | 100408 | 92134 | 43391 | 13380 | 3066 | 1162 | 687 |
2004 | 286359 | 104297 | 72114 | 42873 | 11594 | 3522 | 1074 | 648 |
2005 | 282660 | 157945 | 76344 | 36680 | 11923 | 2464 | 777 | 383 |
2006 | 309279 | 153891 | 118302 | 43174 | 13210 | 3231 | 754 | 359 |
2007 | 351161 | 169906 | 117008 | 65382 | 18712 | 4341 | 1123 | 389 |
2008 | 320937 | 194075 | 132588 | 76803 | 29733 | 7741 | 1857 | 655 |
2009 | 345587 | 175255 | 152970 | 90219 | 36754 | 12362 | 3551 | 1136 |
2010 | 371759 | 189473 | 136899 | 105768 | 45570 | 16684 | 5767 | 2225 |
2011 | 390428 | 205870 | 150242 | 95607 | 51844 | 20758 | 8186 | 3922 |
2012 | 456800 | 215130 | 164391 | 103053 | 47763 | 24736 | 9901 | 5776 |
2013 | 456800 | 253216 | 171271 | 109535 | 48923 | 21625 | 13497 | 8559 |