Table 2. Estimated stock numbers. | |||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9+ |
1961 | 30977 | 15145 | 7500 | 3539 | 2400 | 503 | 597 | 117 | 44 |
1962 | 29733 | 25438 | 8602 | 3669 | 1709 | 997 | 197 | 167 | 38 |
1963 | 21186 | 24884 | 15193 | 4055 | 1751 | 684 | 409 | 79 | 59 |
1964 | 10375 | 17813 | 14506 | 7678 | 1846 | 807 | 283 | 157 | 56 |
1965 | 17694 | 7774 | 13056 | 8097 | 3682 | 830 | 347 | 94 | 84 |
1966 | 22720 | 14783 | 5124 | 7917 | 4025 | 1559 | 335 | 138 | 54 |
1967 | 20850 | 19051 | 11900 | 3347 | 4889 | 1980 | 655 | 104 | 51 |
1968 | 11469 | 17703 | 15303 | 8043 | 2206 | 2816 | 879 | 247 | 35 |
1969 | 8085 | 9226 | 13241 | 10256 | 4405 | 1133 | 1412 | 325 | 120 |
1970 | 9647 | 6377 | 6282 | 8002 | 5735 | 2179 | 503 | 564 | 117 |
1971 | 21116 | 7565 | 4904 | 3797 | 4468 | 3347 | 1140 | 204 | 271 |
1972 | 18010 | 18487 | 7247 | 3671 | 2351 | 2424 | 1563 | 517 | 125 |
1973 | 41940 | 13731 | 15700 | 5817 | 2541 | 1452 | 1026 | 705 | 405 |
1974 | 42531 | 36425 | 9655 | 9749 | 3625 | 1575 | 932 | 454 | 570 |
1975 | 24125 | 36279 | 26476 | 6836 | 6423 | 2203 | 828 | 447 | 543 |
1976 | 10107 | 20187 | 25210 | 14593 | 3679 | 3489 | 1144 | 411 | 464 |
1977 | 12520 | 7662 | 14470 | 17578 | 7699 | 1673 | 1632 | 434 | 288 |
1978 | 15520 | 10251 | 6425 | 8580 | 9136 | 3033 | 635 | 481 | 239 |
1979 | 25489 | 12455 | 8089 | 4762 | 4533 | 4732 | 1376 | 257 | 258 |
1980 | 17354 | 22226 | 10521 | 5057 | 2696 | 2189 | 2239 | 666 | 170 |
1981 | 27447 | 13384 | 17888 | 6849 | 2764 | 1446 | 1021 | 1094 | 367 |
1982 | 36644 | 22720 | 10219 | 10791 | 3914 | 1379 | 682 | 391 | 655 |
1983 | 61513 | 29525 | 18099 | 6793 | 5919 | 2168 | 707 | 280 | 394 |
1984 | 20361 | 56500 | 20748 | 9487 | 3260 | 2441 | 830 | 207 | 216 |
1985 | 7732 | 16510 | 38369 | 11118 | 4212 | 1414 | 1151 | 385 | 186 |
1986 | 8885 | 5852 | 13227 | 21076 | 5117 | 1701 | 459 | 323 | 165 |
1987 | 11295 | 7222 | 5783 | 7714 | 9296 | 2138 | 608 | 149 | 172 |
1988 | 21078 | 8998 | 6913 | 4298 | 3849 | 4467 | 956 | 264 | 112 |
1989 | 5298 | 19899 | 6932 | 4336 | 2128 | 1734 | 1679 | 340 | 114 |
1990 | 5611 | 3917 | 12452 | 3706 | 1746 | 805 | 553 | 471 | 119 |
1991 | 8268 | 4487 | 2687 | 6551 | 1641 | 669 | 303 | 187 | 169 |
1992 | 8794 | 6927 | 3641 | 1719 | 3016 | 756 | 257 | 126 | 145 |
1993 | 26689 | 6684 | 6626 | 3006 | 968 | 1442 | 334 | 86 | 131 |
1994 | 49217 | 22359 | 7073 | 5594 | 2361 | 603 | 855 | 174 | 124 |
1995 | 11294 | 47954 | 19164 | 6130 | 3979 | 1567 | 378 | 558 | 197 |
1996 | 5421 | 8250 | 32860 | 13710 | 3301 | 2462 | 883 | 204 | 469 |
1997 | 7522 | 4163 | 6757 | 21751 | 7091 | 1137 | 846 | 259 | 210 |
1998 | 17177 | 6320 | 3463 | 4766 | 11523 | 2725 | 312 | 187 | 90 |
1999 | 28368 | 13695 | 4674 | 2452 | 2955 | 5041 | 807 | 87 | 49 |
2000 | 46723 | 24686 | 10697 | 2680 | 1428 | 1853 | 2009 | 204 | 26 |
2001 | 19312 | 42193 | 16505 | 6606 | 1393 | 952 | 1196 | 904 | 81 |
2002 | 7084 | 16019 | 26423 | 8802 | 3283 | 772 | 558 | 518 | 391 |
2003 | 4320 | 5890 | 8786 | 11857 | 3565 | 1063 | 263 | 134 | 222 |
2004 | 7387 | 2787 | 4029 | 4819 | 4980 | 1332 | 331 | 88 | 109 |
2005 | 9637 | 5722 | 2346 | 2660 | 2834 | 1908 | 443 | 90 | 65 |
2006 | 5826 | 8612 | 4062 | 1469 | 1459 | 1387 | 648 | 142 | 35 |
2007 | 6148 | 5059 | 5148 | 2330 | 845 | 664 | 520 | 200 | 50 |
2008 | 12309 | 4695 | 3641 | 2892 | 1386 | 478 | 301 | 225 | 112 |
2009 | 19730 | 10091 | 5444 | 2474 | 1766 | 791 | 243 | 131 | 127 |
2010 | 4896 | 17226 | 7557 | 2838 | 1239 | 940 | 374 | 111 | 106 |
2011 | 462 | 4083 | 10885 | 4148 | 1233 | 512 | 341 | 125 | 60 |