Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 409217 | 227294 | 67171 | 20694 | 4580 | 1593 | 177 |
1967 | 328404 | 316159 | 97343 | 24465 | 6409 | 1652 | 725 |
1968 | 319976 | 251702 | 129314 | 36644 | 7585 | 1033 | 138 |
1969 | 311452 | 247707 | 97149 | 37496 | 9201 | 1981 | 351 |
1970 | 231886 | 207939 | 102642 | 36279 | 8503 | 2342 | 826 |
1971 | 261189 | 145219 | 80822 | 36938 | 9156 | 1898 | 806 |
1972 | 293902 | 201592 | 85648 | 32598 | 11100 | 3496 | 1193 |
1973 | 352216 | 200386 | 87816 | 32209 | 10848 | 2259 | 2672 |
1974 | 408808 | 286072 | 104506 | 31288 | 8934 | 2932 | 2523 |
1975 | 305896 | 399512 | 154972 | 40864 | 10625 | 2541 | 2193 |
1976 | 225258 | 215130 | 187775 | 72548 | 22743 | 3464 | 2362 |
1977 | 275957 | 170076 | 109098 | 67306 | 23133 | 5719 | 2447 |
1978 | 615999 | 287219 | 116076 | 47572 | 18977 | 5891 | 2064 |
1979 | 563544 | 570918 | 198194 | 60054 | 18871 | 8287 | 4289 |
1980 | 334369 | 449549 | 373622 | 122027 | 35775 | 9821 | 4387 |
1981 | 496332 | 239426 | 239905 | 154508 | 46305 | 13579 | 6143 |
1982 | 531256 | 477347 | 186465 | 102950 | 44578 | 13604 | 7782 |
1983 | 474018 | 429768 | 286645 | 88787 | 37722 | 16228 | 4655 |
1984 | 322223 | 360411 | 302247 | 148449 | 36388 | 12674 | 9460 |
1985 | 292436 | 225709 | 164062 | 111525 | 41982 | 10188 | 6652 |
1986 | 244752 | 153430 | 118302 | 73350 | 51072 | 14846 | 6318 |
1987 | 391210 | 185907 | 86855 | 41151 | 18913 | 9684 | 5114 |
1988 | 258849 | 254486 | 98125 | 32306 | 11798 | 5504 | 3768 |
1989 | 124244 | 165545 | 117008 | 37760 | 14341 | 4042 | 2814 |
1990 | 179872 | 85905 | 65907 | 30516 | 11057 | 3443 | 2657 |
1991 | 87904 | 94750 | 48050 | 18900 | 5788 | 2573 | 2323 |
1992 | 120331 | 47524 | 25311 | 9636 | 2896 | 1479 | 804 |
1993 | 176663 | 80499 | 23040 | 7437 | 2102 | 561 | 358 |
1994 | 142486 | 152818 | 61206 | 19155 | 4803 | 1055 | 682 |
1995 | 160492 | 96471 | 76496 | 31039 | 6979 | 2039 | 1276 |
1996 | 164226 | 103985 | 57125 | 34892 | 11452 | 2762 | 754 |
1997 | 83868 | 96761 | 44356 | 18922 | 7892 | 3381 | 1829 |
1998 | 155905 | 59576 | 35561 | 15013 | 4278 | 2112 | 1542 |
1999 | 138413 | 109426 | 35846 | 13435 | 3442 | 1175 | 1357 |
2000 | 194853 | 112758 | 58163 | 15001 | 3298 | 1025 | 1144 |
2001 | 116774 | 123007 | 58221 | 16626 | 3647 | 1154 | 704 |
2002 | 172301 | 90039 | 47620 | 14136 | 3298 | 1106 | 865 |
2003 | 82454 | 92503 | 47382 | 14139 | 3038 | 956 | 650 |
2004 | 91858 | 75811 | 45207 | 14012 | 4595 | 1269 | 718 |
2005 | 170928 | 71111 | 39696 | 12762 | 2747 | 719 | 418 |
2006 | 132058 | 147709 | 45661 | 15813 | 3831 | 811 | 440 |
2007 | 153584 | 100710 | 76573 | 24294 | 5497 | 1325 | 524 |
2008 | 196418 | 128027 | 69703 | 27917 | 7137 | 1912 | 835 |
2009 | 175255 | 154045 | 76344 | 39183 | 14777 | 3765 | 959 |
2010 | 190042 | 121419 | 105240 | 51021 | 19640 | 5134 | 2090 |
2011 | 205870 | 144351 | 82290 | 47430 | 23365 | 8924 | 3948 |
2012 | 196614 | 167544 | 96761 | 56106 | 27639 | 7813 | 4536 |
2013 | 261974 | 124119 | 80017 | 41274 | 41731 | 11605 | 3459 |
2014 | 303458 | 207316 | 78042 | 37835 | 15940 | 31195 | 11262 |