Table 2. Estimated stock numbers. | |||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9+ |
1961 | 29057 | 15167 | 7911 | 3753 | 2460 | 509 | 608 | 121 | 48 |
1962 | 27255 | 23957 | 8509 | 3810 | 1845 | 1056 | 209 | 179 | 43 |
1963 | 19489 | 23017 | 14422 | 3983 | 1779 | 704 | 424 | 87 | 65 |
1964 | 10604 | 16457 | 13533 | 7384 | 1800 | 804 | 285 | 158 | 64 |
1965 | 17197 | 7673 | 12666 | 7896 | 3605 | 822 | 340 | 90 | 88 |
1966 | 21921 | 14470 | 5022 | 7812 | 3975 | 1526 | 336 | 139 | 52 |
1967 | 20309 | 18607 | 11945 | 3340 | 4911 | 1983 | 639 | 99 | 45 |
1968 | 11880 | 17517 | 15214 | 8169 | 2264 | 2840 | 873 | 236 | 28 |
1969 | 7740 | 9608 | 13441 | 10375 | 4413 | 1137 | 1403 | 311 | 115 |
1970 | 8668 | 5960 | 6099 | 7891 | 5670 | 2139 | 501 | 565 | 102 |
1971 | 16994 | 6661 | 4450 | 3490 | 4227 | 3211 | 1073 | 187 | 246 |
1972 | 16007 | 15117 | 6290 | 3236 | 2077 | 2213 | 1389 | 459 | 93 |
1973 | 36571 | 11854 | 13540 | 5145 | 2240 | 1253 | 848 | 579 | 362 |
1974 | 41151 | 32468 | 8419 | 8418 | 3212 | 1416 | 840 | 367 | 496 |
1975 | 25900 | 35954 | 25489 | 6483 | 5979 | 2053 | 754 | 396 | 487 |
1976 | 11375 | 22071 | 25642 | 14445 | 3641 | 3442 | 1132 | 406 | 449 |
1977 | 12572 | 8389 | 15714 | 18629 | 7987 | 1713 | 1707 | 445 | 284 |
1978 | 14958 | 10208 | 6603 | 8864 | 9389 | 3044 | 649 | 483 | 246 |
1979 | 23179 | 11886 | 7882 | 4770 | 4454 | 4668 | 1334 | 250 | 243 |
1980 | 17113 | 20632 | 9906 | 4792 | 2596 | 2095 | 2149 | 656 | 148 |
1981 | 27174 | 12847 | 16882 | 6416 | 2600 | 1391 | 968 | 1059 | 343 |
1982 | 40215 | 22427 | 9723 | 10210 | 3722 | 1312 | 667 | 361 | 645 |
1983 | 61636 | 32794 | 18843 | 6829 | 5852 | 2161 | 713 | 280 | 386 |
1984 | 22834 | 59219 | 21500 | 9736 | 3398 | 2485 | 853 | 214 | 233 |
1985 | 8428 | 18715 | 39696 | 11230 | 4237 | 1443 | 1202 | 415 | 211 |
1986 | 9193 | 6103 | 13909 | 21539 | 5302 | 1770 | 472 | 336 | 184 |
1987 | 13110 | 7301 | 5794 | 7605 | 9019 | 2107 | 599 | 145 | 180 |
1988 | 24465 | 10411 | 7353 | 4376 | 3726 | 4338 | 934 | 267 | 109 |
1989 | 6224 | 25109 | 7979 | 4689 | 2222 | 1778 | 1699 | 362 | 126 |
1990 | 5452 | 4430 | 14066 | 4059 | 1909 | 867 | 599 | 529 | 148 |
1991 | 6849 | 4286 | 2709 | 6658 | 1671 | 683 | 311 | 200 | 187 |
1992 | 6772 | 5761 | 3203 | 1566 | 2724 | 697 | 232 | 115 | 141 |
1993 | 20587 | 4882 | 5254 | 2458 | 790 | 1175 | 273 | 61 | 107 |
1994 | 42959 | 16679 | 5442 | 4362 | 1881 | 476 | 675 | 128 | 84 |
1995 | 12765 | 45026 | 16480 | 5377 | 3311 | 1316 | 315 | 462 | 143 |
1996 | 6226 | 9211 | 33356 | 13276 | 3124 | 2304 | 818 | 185 | 426 |
1997 | 7898 | 4783 | 7479 | 22948 | 7273 | 1097 | 831 | 253 | 208 |
1998 | 16533 | 6803 | 3779 | 5111 | 12422 | 2872 | 308 | 191 | 88 |
1999 | 25135 | 13006 | 4859 | 2581 | 3084 | 5273 | 830 | 90 | 44 |
2000 | 42531 | 22026 | 10093 | 2633 | 1419 | 1906 | 2052 | 196 | 20 |
2001 | 20366 | 39815 | 15317 | 6311 | 1305 | 932 | 1227 | 897 | 67 |
2002 | 7430 | 17562 | 26769 | 8507 | 3187 | 729 | 550 | 498 | 378 |
2003 | 4792 | 6255 | 8971 | 12154 | 3621 | 1072 | 263 | 137 | 238 |
2004 | 7585 | 2810 | 4076 | 4866 | 5152 | 1380 | 351 | 93 | 121 |
2005 | 9255 | 5759 | 2391 | 2705 | 2853 | 1858 | 425 | 86 | 67 |
2006 | 5276 | 8686 | 4043 | 1480 | 1477 | 1378 | 616 | 137 | 33 |
2007 | 5519 | 4650 | 4877 | 2288 | 858 | 669 | 516 | 193 | 52 |
2008 | 11155 | 3998 | 3349 | 2706 | 1370 | 483 | 300 | 223 | 115 |
2009 | 17801 | 9091 | 5378 | 2401 | 1721 | 795 | 247 | 131 | 123 |
2010 | 4240 | 16118 | 7117 | 2735 | 1208 | 942 | 383 | 117 | 111 |
2011 | 440 | 3474 | 9545 | 3794 | 1148 | 492 | 343 | 129 | 63 |