Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 403124 | 232582 | 69564 | 22315 | 4432 | 1779 | 169 |
1967 | 372503 | 284930 | 96664 | 25591 | 7248 | 1195 | 530 |
1968 | 340783 | 259367 | 113210 | 34098 | 7801 | 981 | 225 |
1969 | 292436 | 236807 | 104715 | 36279 | 8760 | 2162 | 335 |
1970 | 247459 | 200386 | 97343 | 37873 | 8535 | 2518 | 727 |
1971 | 264607 | 169566 | 86163 | 34857 | 10456 | 2437 | 931 |
1972 | 317426 | 185350 | 81227 | 32403 | 9523 | 4235 | 1357 |
1973 | 408808 | 224134 | 86509 | 29644 | 9644 | 3597 | 2189 |
1974 | 429338 | 299240 | 111972 | 31729 | 8800 | 3680 | 2250 |
1975 | 317426 | 321901 | 152665 | 44981 | 10745 | 3268 | 2229 |
1976 | 316475 | 233982 | 158895 | 63070 | 17546 | 4136 | 2145 |
1977 | 449999 | 239187 | 124991 | 62069 | 21601 | 5671 | 2058 |
1978 | 706445 | 348363 | 144062 | 55715 | 20550 | 6648 | 2370 |
1979 | 584201 | 546342 | 213203 | 72330 | 22629 | 8770 | 3891 |
1980 | 466028 | 434956 | 326766 | 105979 | 32663 | 9584 | 5289 |
1981 | 632857 | 342833 | 252206 | 147267 | 40296 | 12977 | 5891 |
1982 | 629071 | 481663 | 211082 | 110084 | 51741 | 13321 | 6334 |
1983 | 449549 | 470241 | 290106 | 95607 | 38638 | 16503 | 6151 |
1984 | 310209 | 325787 | 277340 | 131400 | 34683 | 13970 | 8299 |
1985 | 257043 | 221018 | 173685 | 116192 | 44135 | 10962 | 7036 |
1986 | 266199 | 179333 | 117712 | 69217 | 41192 | 14423 | 5893 |
1987 | 302549 | 190995 | 97929 | 43565 | 20727 | 10000 | 4959 |
1988 | 206695 | 216209 | 100108 | 36901 | 13628 | 5766 | 4149 |
1989 | 123254 | 146532 | 103881 | 35066 | 12598 | 4444 | 3221 |
1990 | 98913 | 87992 | 65513 | 29971 | 9558 | 3953 | 2431 |
1991 | 88080 | 68665 | 39379 | 17450 | 6375 | 2555 | 1739 |
1992 | 135266 | 62193 | 27750 | 9741 | 3155 | 1324 | 883 |
1993 | 172992 | 100007 | 33928 | 10257 | 2677 | 804 | 559 |
1994 | 137173 | 129444 | 60962 | 17962 | 4256 | 1337 | 686 |
1995 | 121662 | 99608 | 74013 | 30061 | 7196 | 1908 | 923 |
1996 | 108445 | 89054 | 55437 | 32728 | 10482 | 2654 | 1016 |
1997 | 94183 | 79380 | 44757 | 20783 | 8347 | 3975 | 1424 |
1998 | 133386 | 69703 | 38330 | 15937 | 4610 | 2686 | 1747 |
1999 | 140646 | 99409 | 37198 | 14192 | 3762 | 1604 | 1554 |
2000 | 145510 | 103156 | 50970 | 13487 | 3484 | 1381 | 1179 |
2001 | 123624 | 103156 | 49662 | 15686 | 3358 | 1274 | 927 |
2002 | 119014 | 87728 | 46817 | 13662 | 3651 | 1213 | 801 |
2003 | 95990 | 84373 | 41648 | 13714 | 3082 | 1194 | 666 |
2004 | 101114 | 69079 | 39301 | 11111 | 3473 | 1060 | 640 |
2005 | 141351 | 74013 | 34787 | 11459 | 2407 | 773 | 381 |
2006 | 133519 | 105873 | 40905 | 12434 | 3167 | 716 | 346 |
2007 | 146093 | 100108 | 57297 | 17093 | 3926 | 1033 | 349 |
2008 | 157787 | 112533 | 61821 | 24294 | 6645 | 1528 | 545 |
2009 | 157629 | 122149 | 72258 | 32565 | 11221 | 3471 | 1077 |
2010 | 179872 | 122272 | 79778 | 41110 | 17139 | 6353 | 2617 |
2011 | 196025 | 141917 | 82868 | 43739 | 22697 | 10771 | 5602 |
2012 | 187587 | 155127 | 97246 | 48825 | 24319 | 14533 | 10481 |