Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 370275 | 229808 | 73865 | 19685 | 4269 | 1847 | 161 |
1967 | 367324 | 259627 | 94750 | 26582 | 5555 | 1028 | 478 |
1968 | 336045 | 257043 | 106298 | 33390 | 7537 | 1310 | 317 |
1969 | 301643 | 234685 | 107796 | 36461 | 8995 | 1962 | 438 |
1970 | 264078 | 210029 | 100208 | 38638 | 9611 | 2440 | 739 |
1971 | 274581 | 184425 | 92411 | 36171 | 10957 | 2768 | 1053 |
1972 | 328076 | 194269 | 84796 | 34030 | 10500 | 3526 | 1440 |
1973 | 387317 | 234451 | 91583 | 31414 | 10335 | 3359 | 1988 |
1974 | 394352 | 282660 | 115497 | 34718 | 9815 | 3383 | 2159 |
1975 | 339762 | 292143 | 143918 | 45890 | 11536 | 3255 | 2214 |
1976 | 339762 | 250948 | 151903 | 58983 | 16189 | 3862 | 2180 |
1977 | 431059 | 255761 | 136080 | 63323 | 20686 | 5324 | 2314 |
1978 | 637303 | 328733 | 146972 | 60234 | 22697 | 6999 | 2833 |
1979 | 588305 | 484562 | 193107 | 69148 | 23318 | 8283 | 3853 |
1980 | 499319 | 437574 | 285215 | 91309 | 28113 | 8874 | 4652 |
1981 | 594812 | 369165 | 253977 | 131006 | 35490 | 10534 | 5066 |
1982 | 587129 | 446860 | 216425 | 113550 | 48923 | 12563 | 5514 |
1983 | 443299 | 435391 | 261450 | 96375 | 41233 | 17014 | 6016 |
1984 | 326766 | 322223 | 249447 | 115266 | 34648 | 13816 | 7890 |
1985 | 284361 | 234451 | 175958 | 104611 | 40175 | 11127 | 7115 |
1986 | 261974 | 202197 | 125618 | 69494 | 35419 | 12498 | 5866 |
1987 | 261974 | 187963 | 106831 | 47099 | 21729 | 10210 | 5528 |
1988 | 175606 | 186279 | 96278 | 38949 | 14393 | 6284 | 4738 |
1989 | 108880 | 123995 | 90400 | 32827 | 11694 | 4247 | 3444 |
1990 | 95703 | 77188 | 57354 | 27502 | 8702 | 3357 | 2435 |
1991 | 100609 | 66970 | 35739 | 16426 | 6214 | 2389 | 1763 |
1992 | 152207 | 71754 | 31477 | 10761 | 3423 | 1643 | 1148 |
1993 | 180052 | 112084 | 38330 | 11732 | 2843 | 987 | 852 |
1994 | 150242 | 132986 | 63513 | 17400 | 3946 | 985 | 693 |
1995 | 129703 | 108989 | 73497 | 29028 | 6370 | 1433 | 634 |
1996 | 111190 | 94183 | 58105 | 31039 | 9816 | 2322 | 710 |
1997 | 91309 | 80419 | 47954 | 21746 | 8466 | 3351 | 1041 |
1998 | 114921 | 66237 | 39656 | 17072 | 5011 | 2635 | 1395 |
1999 | 114577 | 83034 | 32080 | 13357 | 3586 | 1423 | 1231 |
2000 | 117712 | 81146 | 37987 | 9646 | 2470 | 915 | 748 |
2001 | 97343 | 80822 | 33658 | 9577 | 1387 | 541 | 389 |
2002 | 93995 | 66237 | 31226 | 7224 | 1279 | 249 | 177 |
2003 | 60054 | 63640 | 23695 | 6724 | 1085 | 269 | 95 |
2004 | 56331 | 40823 | 21982 | 4385 | 1010 | 235 | 87 |
2005 | 102847 | 37987 | 13779 | 4010 | 580 | 196 | 65 |
2006 | 111860 | 70898 | 12640 | 3018 | 703 | 134 | 64 |
2007 | 130614 | 76803 | 25514 | 3108 | 544 | 183 | 44 |
2008 | 164062 | 89411 | 28170 | 6328 | 535 | 131 | 45 |
2009 | 166209 | 115036 | 32500 | 6360 | 878 | 138 | 34 |
2010 | 179872 | 117008 | 43521 | 6949 | 873 | 222 | 31 |
2011 | 183689 | 129185 | 44223 | 8166 | 648 | 212 | 33 |
2012 | 154199 | 133252 | 49712 | 8329 | 885 | 177 | 38 |
2013 | 189852 | 111413 | 50262 | 8041 | 724 | 240 | 29 |
2014 | 197402 | 139804 | 40905 | 7275 | 551 | 195 | 36 |
2015 | 182043 | 146239 | 52000 | 5315 | 388 | 140 | 29 |