Table 1. Estimated recruitment (age 3), total stock biomass (TBS), spawning stock biomass (SSB), and average fishing mortality for ages 4 to 7 (F47). | ||||||||||||
Year | Recruits | Low | High | TSB | Low | High | SSB | Low | High | F47 | Low | High |
1967 | 58579 | 41381 | 82927 | 367644 | 304674 | 443628 | 142586 | 113644 | 178898 | 0.349 | 0.271 | 0.450 |
1968 | 52047 | 37873 | 71527 | 513419 | 429051 | 614376 | 200666 | 161761 | 248929 | 0.285 | 0.224 | 0.363 |
1969 | 56145 | 41585 | 75802 | 637153 | 535888 | 757555 | 269796 | 220024 | 330828 | 0.318 | 0.255 | 0.397 |
1970 | 50397 | 37570 | 67603 | 817762 | 693572 | 964190 | 342226 | 282535 | 414527 | 0.345 | 0.279 | 0.426 |
1971 | 117933 | 88185 | 157717 | 955088 | 816519 | 1117173 | 453411 | 376892 | 545465 | 0.372 | 0.304 | 0.456 |
1972 | 106378 | 79346 | 142620 | 890750 | 767228 | 1034160 | 488604 | 408080 | 585017 | 0.404 | 0.332 | 0.491 |
1973 | 107454 | 80572 | 143304 | 854560 | 739316 | 987767 | 534001 | 445960 | 639423 | 0.430 | 0.356 | 0.520 |
1974 | 50071 | 37546 | 66773 | 905653 | 786212 | 1043240 | 606032 | 507820 | 723240 | 0.505 | 0.422 | 0.604 |
1975 | 36412 | 27312 | 48542 | 852211 | 739600 | 981969 | 558922 | 466655 | 669434 | 0.553 | 0.464 | 0.659 |
1976 | 29960 | 22499 | 39895 | 774922 | 667205 | 900028 | 441120 | 364496 | 533852 | 0.621 | 0.521 | 0.739 |
1977 | 35663 | 26711 | 47616 | 601071 | 517495 | 698143 | 351916 | 289686 | 427515 | 0.617 | 0.514 | 0.741 |
1978 | 57831 | 43344 | 77161 | 505210 | 433463 | 588834 | 315165 | 258486 | 384272 | 0.486 | 0.403 | 0.586 |
1979 | 35470 | 26663 | 47187 | 470679 | 406886 | 544473 | 292488 | 243272 | 351663 | 0.453 | 0.376 | 0.546 |
1980 | 26334 | 19838 | 34957 | 431093 | 374514 | 496219 | 274451 | 230260 | 327123 | 0.474 | 0.396 | 0.568 |
1981 | 25952 | 19507 | 34527 | 472652 | 411290 | 543169 | 264681 | 223132 | 313967 | 0.470 | 0.392 | 0.563 |
1982 | 23794 | 17922 | 31589 | 490380 | 426189 | 564239 | 226643 | 193633 | 265281 | 0.539 | 0.456 | 0.639 |
1983 | 54178 | 40627 | 72247 | 470637 | 409962 | 540292 | 217594 | 186609 | 253725 | 0.660 | 0.559 | 0.780 |
1984 | 31065 | 23278 | 41459 | 464939 | 402580 | 536957 | 187730 | 161428 | 218317 | 0.682 | 0.580 | 0.803 |
1985 | 30202 | 22734 | 40123 | 466197 | 398241 | 545748 | 167258 | 144228 | 193965 | 0.715 | 0.610 | 0.839 |
1986 | 32736 | 24572 | 43612 | 441904 | 379176 | 515009 | 156192 | 135220 | 180417 | 0.769 | 0.654 | 0.904 |
1987 | 36404 | 27275 | 48588 | 368900 | 320543 | 424551 | 163056 | 141138 | 188377 | 0.722 | 0.615 | 0.849 |
1988 | 59352 | 44065 | 79943 | 319285 | 278709 | 365769 | 151185 | 129874 | 175994 | 0.723 | 0.615 | 0.850 |
1989 | 28358 | 21326 | 37709 | 272992 | 237973 | 313164 | 126288 | 108413 | 147111 | 0.697 | 0.591 | 0.821 |
1990 | 26173 | 19698 | 34776 | 272754 | 236467 | 314610 | 117461 | 100404 | 137415 | 0.662 | 0.561 | 0.782 |
1991 | 19115 | 14375 | 25418 | 285382 | 246250 | 330734 | 111064 | 95216 | 129551 | 0.639 | 0.541 | 0.755 |
1992 | 22443 | 16901 | 29802 | 288069 | 249624 | 332434 | 112265 | 97162 | 129715 | 0.620 | 0.523 | 0.735 |
1993 | 33848 | 25757 | 44482 | 327942 | 281896 | 381509 | 119379 | 103180 | 138120 | 0.645 | 0.544 | 0.765 |
1994 | 29529 | 22411 | 38908 | 325638 | 280071 | 378619 | 124294 | 107063 | 144299 | 0.574 | 0.482 | 0.684 |
1995 | 43708 | 33031 | 57837 | 399321 | 340878 | 467785 | 141754 | 121881 | 164866 | 0.593 | 0.496 | 0.708 |
1996 | 34241 | 25786 | 45468 | 384975 | 329513 | 449772 | 148484 | 127890 | 172394 | 0.521 | 0.434 | 0.626 |
1997 | 83167 | 62583 | 110519 | 398940 | 342939 | 464086 | 178840 | 152251 | 210074 | 0.444 | 0.368 | 0.535 |
1998 | 48280 | 36382 | 64068 | 361013 | 311894 | 417868 | 180088 | 153473 | 211319 | 0.445 | 0.370 | 0.536 |
1999 | 69129 | 51889 | 92097 | 357727 | 310033 | 412758 | 192925 | 163409 | 227773 | 0.481 | 0.397 | 0.583 |
2000 | 32517 | 24248 | 43605 | 381255 | 328826 | 442043 | 193831 | 164075 | 228984 | 0.409 | 0.335 | 0.499 |
2001 | 64117 | 47844 | 85924 | 405144 | 348663 | 470775 | 204190 | 172162 | 242175 | 0.375 | 0.307 | 0.460 |
2002 | 42904 | 32366 | 56872 | 467966 | 401523 | 545404 | 227112 | 191614 | 269187 | 0.393 | 0.323 | 0.477 |
2003 | 76023 | 57282 | 100894 | 465411 | 399668 | 541967 | 226798 | 191007 | 269296 | 0.399 | 0.328 | 0.486 |
2004 | 82004 | 61492 | 109359 | 398522 | 343369 | 462533 | 212922 | 179430 | 252666 | 0.359 | 0.293 | 0.438 |
2005 | 67492 | 50882 | 89524 | 457425 | 395201 | 529446 | 249664 | 211203 | 295128 | 0.381 | 0.313 | 0.464 |
2006 | 45402 | 33805 | 60978 | 468250 | 405951 | 540109 | 264129 | 222809 | 313112 | 0.396 | 0.326 | 0.480 |
2007 | 68098 | 51547 | 89964 | 433686 | 374949 | 501626 | 262397 | 219798 | 313251 | 0.369 | 0.304 | 0.448 |
2008 | 36098 | 27237 | 47843 | 442691 | 382686 | 512104 | 291759 | 245532 | 346689 | 0.441 | 0.366 | 0.532 |
2009 | 43157 | 32558 | 57206 | 365367 | 315703 | 422844 | 239988 | 201770 | 285445 | 0.462 | 0.382 | 0.558 |
2010 | 26207 | 19755 | 34765 | 408829 | 350450 | 476932 | 246578 | 205226 | 296261 | 0.440 | 0.362 | 0.536 |
2011 | 24876 | 18630 | 33216 | 333522 | 283192 | 392796 | 201828 | 166387 | 244816 | 0.450 | 0.365 | 0.555 |
2012 | 44765 | 32939 | 60837 | 314139 | 261311 | 377648 | 178984 | 145621 | 219990 | 0.410 | 0.323 | 0.522 |
2013 | 25200 | 17720 | 35837 | 310688 | 249097 | 387509 | 171984 | 136858 | 216125 | 0.381 | 0.283 | 0.512 |
2014 | 51642 | 34619 | 77037 | 326185 | 246308 | 431964 | 198625 | 151393 | 260593 | 0.355 | 0.242 | 0.521 |
2015 | 39673 | 23390 | 67291 | 311163 | 212157 | 456371 | 196277 | 136279 | 282687 | 0.368 | 0.224 | 0.605 |