Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1971 | 104925 | 145947 | 77653 | 27392 | 13123 | 3875 |
1972 | 40498 | 90490 | 81308 | 29822 | 9620 | 6446 |
1973 | 69148 | 35846 | 43347 | 26529 | 11947 | 6277 |
1974 | 78120 | 75508 | 51741 | 23861 | 9052 | 3129 |
1975 | 72042 | 78511 | 32991 | 22811 | 5385 | 3650 |
1976 | 35990 | 75207 | 60597 | 11663 | 6914 | 3258 |
1977 | 59814 | 32500 | 49762 | 26423 | 2963 | 3403 |
1978 | 50312 | 72766 | 18917 | 16666 | 6566 | 1795 |
1979 | 25438 | 50463 | 46212 | 6638 | 6598 | 2038 |
1980 | 40095 | 21930 | 36901 | 18128 | 1923 | 2773 |
1981 | 33827 | 38716 | 15931 | 14606 | 5647 | 1269 |
1982 | 39222 | 32728 | 18943 | 6698 | 2706 | 2020 |
1983 | 31226 | 41481 | 21558 | 5547 | 1055 | 1247 |
1984 | 19405 | 33223 | 22226 | 7233 | 1300 | 629 |
1985 | 13459 | 20566 | 21660 | 7782 | 1606 | 411 |
1986 | 35632 | 13471 | 11009 | 5286 | 1446 | 512 |
1987 | 8653 | 39183 | 9942 | 3190 | 1244 | 439 |
1988 | 14679 | 8470 | 15606 | 3144 | 822 | 313 |
1989 | 7457 | 14662 | 6808 | 5766 | 839 | 383 |
1990 | 31414 | 7365 | 6328 | 2206 | 1492 | 252 |
1991 | 11595 | 36243 | 3655 | 1803 | 509 | 400 |
1992 | 22115 | 13555 | 19247 | 1031 | 377 | 157 |
1993 | 13923 | 23790 | 7479 | 6761 | 203 | 120 |
1994 | 16027 | 15454 | 17482 | 3806 | 1930 | 82 |
1995 | 32500 | 14660 | 10510 | 5626 | 1204 | 616 |
1996 | 8811 | 33456 | 9973 | 3433 | 1338 | 427 |
1997 | 22382 | 8862 | 28424 | 4033 | 986 | 453 |
1998 | 21627 | 27917 | 6173 | 7517 | 1035 | 304 |
1999 | 20977 | 21836 | 15704 | 1785 | 1565 | 294 |
2000 | 8803 | 17534 | 10231 | 3870 | 455 | 397 |
2001 | 4993 | 7820 | 8393 | 2591 | 775 | 188 |
2002 | 11254 | 5751 | 3854 | 2205 | 498 | 229 |
2003 | 2904 | 11877 | 3591 | 1355 | 570 | 145 |
2004 | 12109 | 3225 | 6277 | 1301 | 440 | 275 |
2005 | 4629 | 13154 | 1417 | 2173 | 321 | 176 |
2006 | 6052 | 4864 | 6688 | 573 | 629 | 177 |
2007 | 2148 | 4374 | 2269 | 2008 | 195 | 311 |
2008 | 1450 | 1443 | 1702 | 671 | 518 | 130 |
2009 | 5272 | 1148 | 740 | 574 | 233 | 124 |
2010 | 2896 | 5664 | 742 | 284 | 175 | 91 |
2011 | 2829 | 2982 | 3737 | 340 | 78 | 72 |
2012 | 5509 | 2378 | 1208 | 1506 | 181 | 27 |
2013 | 6095 | 5341 | 1448 | 454 | 553 | 78 |