Table 2. Estimated stock numbers. | ||||||||
Year\Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7+ |
1970 | 422946 | 227749 | 104820 | 17845 | 6767 | 1954 | 568 | 239 |
1971 | 476394 | 189094 | 110415 | 29028 | 4492 | 2122 | 752 | 320 |
1972 | 254995 | 221461 | 89949 | 30333 | 7501 | 1306 | 692 | 339 |
1973 | 438450 | 108554 | 110857 | 26849 | 7548 | 2056 | 333 | 276 |
1974 | 272393 | 206489 | 53051 | 33290 | 6868 | 1921 | 693 | 198 |
1975 | 259886 | 119970 | 110968 | 15434 | 7714 | 1520 | 526 | 256 |
1976 | 369165 | 114691 | 67104 | 36279 | 3687 | 1763 | 418 | 204 |
1977 | 276509 | 170928 | 62007 | 19726 | 7747 | 873 | 410 | 155 |
1978 | 155905 | 125995 | 102437 | 18598 | 4277 | 1804 | 236 | 142 |
1979 | 301643 | 66171 | 74757 | 34961 | 4829 | 1230 | 693 | 145 |
1980 | 253470 | 140787 | 36062 | 29202 | 9345 | 1576 | 496 | 365 |
1981 | 263287 | 112758 | 85306 | 15592 | 7284 | 2814 | 596 | 315 |
1982 | 261974 | 118539 | 67238 | 30516 | 3866 | 1875 | 824 | 288 |
1983 | 112084 | 122394 | 66039 | 24465 | 8096 | 1354 | 605 | 350 |
1984 | 95511 | 48776 | 71468 | 21047 | 7028 | 2502 | 479 | 317 |
1985 | 179154 | 41357 | 26609 | 23742 | 5842 | 2205 | 820 | 256 |
1986 | 112758 | 84626 | 23506 | 10582 | 5214 | 1368 | 560 | 254 |
1987 | 43174 | 51844 | 56444 | 10441 | 2344 | 967 | 253 | 159 |
1988 | 52104 | 18394 | 33290 | 23412 | 3138 | 554 | 267 | 121 |
1989 | 57989 | 23482 | 10972 | 13786 | 6276 | 866 | 186 | 120 |
1990 | 96471 | 25566 | 15303 | 5271 | 3383 | 1451 | 267 | 94 |
1991 | 188151 | 43045 | 16651 | 6365 | 1385 | 593 | 351 | 87 |
1992 | 108228 | 89411 | 29231 | 7831 | 1227 | 173 | 135 | 104 |
1993 | 142771 | 47335 | 62007 | 14945 | 1949 | 192 | 42 | 64 |
1994 | 209190 | 64473 | 34822 | 32016 | 5095 | 375 | 44 | 30 |
1995 | 47906 | 100811 | 48874 | 17041 | 11258 | 1814 | 161 | 26 |
1996 | 183139 | 20141 | 70333 | 25135 | 5467 | 3186 | 601 | 63 |
1997 | 268874 | 85734 | 12675 | 33490 | 5903 | 1285 | 829 | 187 |
1998 | 119970 | 123130 | 56106 | 6572 | 7133 | 1082 | 252 | 188 |
1999 | 127389 | 52000 | 76726 | 23202 | 2125 | 1468 | 297 | 122 |
2000 | 108445 | 57412 | 36534 | 30884 | 5909 | 509 | 338 | 99 |
2001 | 138829 | 48825 | 38063 | 15046 | 6981 | 1344 | 136 | 116 |
2002 | 58454 | 64537 | 29822 | 14248 | 3166 | 1308 | 351 | 63 |
2003 | 174905 | 23885 | 44578 | 12041 | 3199 | 667 | 330 | 106 |
2004 | 117243 | 83117 | 16228 | 19479 | 3515 | 814 | 219 | 141 |
2005 | 83533 | 52839 | 61821 | 8513 | 5698 | 932 | 231 | 104 |
2006 | 76344 | 37347 | 36026 | 32860 | 3239 | 1602 | 217 | 76 |
2007 | 60597 | 34303 | 29028 | 19783 | 12068 | 1579 | 623 | 112 |
2008 | 106192 | 26291 | 25797 | 18559 | 8125 | 3895 | 685 | 302 |
2009 | 76344 | 48874 | 21121 | 16724 | 8818 | 3091 | 1007 | 284 |
2010 | 87029 | 33725 | 39262 | 15810 | 8595 | 3087 | 856 | 326 |
2011 | 70123 | 38871 | 26160 | 25235 | 9233 | 3462 | 871 | 360 |
2012 | 110968 | 30915 | 29852 | 18836 | 14854 | 3740 | 881 | 246 |
2013 | 110968 | 50818 | 23482 | 21393 | 10725 | 5739 | 992 | 313 |