| Table 3. Estimated fishing mortalities. | ||||
| Year\Age | 1 | 2 | 3 | 4+ |
| 1967 | 0.417 | 0.358 | 0.305 | 0.413 |
| 1968 | 0.591 | 0.393 | 0.323 | 0.481 |
| 1969 | 0.682 | 0.334 | 0.350 | 0.545 |
| 1970 | 0.522 | 0.284 | 0.399 | 0.616 |
| 1971 | 0.483 | 0.356 | 0.480 | 0.704 |
| 1972 | 0.495 | 0.339 | 0.535 | 0.774 |
| 1973 | 0.597 | 0.417 | 0.570 | 0.769 |
| 1974 | 0.702 | 0.503 | 0.570 | 0.687 |
| 1975 | 0.780 | 0.590 | 0.594 | 0.763 |
| 1976 | 0.956 | 0.643 | 0.590 | 0.739 |
| 1977 | 0.941 | 0.644 | 0.616 | 0.778 |
| 1978 | 0.931 | 0.684 | 0.642 | 0.763 |
| 1979 | 1.050 | 0.727 | 0.662 | 0.693 |
| 1980 | 1.286 | 0.804 | 0.654 | 0.656 |
| 1981 | 1.283 | 0.774 | 0.573 | 0.562 |
| 1982 | 1.040 | 0.611 | 0.509 | 0.530 |
| 1983 | 0.696 | 0.487 | 0.442 | 0.446 |
| 1984 | 0.582 | 0.450 | 0.419 | 0.452 |
| 1985 | 0.472 | 0.370 | 0.397 | 0.448 |
| 1986 | 0.405 | 0.327 | 0.351 | 0.445 |
| 1987 | 0.375 | 0.299 | 0.317 | 0.434 |
| 1988 | 0.367 | 0.268 | 0.281 | 0.427 |
| 1989 | 0.321 | 0.238 | 0.257 | 0.407 |
| 1990 | 0.279 | 0.221 | 0.206 | 0.355 |
| 1991 | 0.257 | 0.212 | 0.173 | 0.335 |
| 1992 | 0.256 | 0.199 | 0.148 | 0.295 |
| 1993 | 0.249 | 0.196 | 0.129 | 0.220 |
| 1994 | 0.235 | 0.191 | 0.116 | 0.172 |
| 1995 | 0.204 | 0.172 | 0.116 | 0.173 |
| 1996 | 0.167 | 0.165 | 0.125 | 0.185 |
| 1997 | 0.165 | 0.171 | 0.135 | 0.171 |
| 1998 | 0.178 | 0.167 | 0.144 | 0.157 |
| 1999 | 0.174 | 0.180 | 0.141 | 0.166 |
| 2000 | 0.162 | 0.160 | 0.146 | 0.180 |
| 2001 | 0.160 | 0.183 | 0.150 | 0.189 |
| 2002 | 0.159 | 0.190 | 0.160 | 0.189 |
| 2003 | 0.148 | 0.206 | 0.168 | 0.187 |
| 2004 | 0.140 | 0.227 | 0.191 | 0.177 |
| 2005 | 0.151 | 0.231 | 0.202 | 0.161 |
| 2006 | 0.190 | 0.247 | 0.207 | 0.145 |
| 2007 | 0.248 | 0.242 | 0.200 | 0.138 |