Table 1. Estimated recruitment, total stock biomass (TBS), spawning stock biomass (SSB), and average fishing mortality for ages 4 to 8 (F48). | ||||||||||||
Year | Recruits | Low | High | TSB | Low | High | SSB | Low | High | F48 | Low | High |
1973 | 38177 | 11814 | 123377 | 86682 | 52355 | 143516 | 67037 | 37141 | 120997 | 0.148 | 0.071 | 0.311 |
1974 | 138552 | 44900 | 427539 | 74982 | 48869 | 115047 | 51792 | 30866 | 86906 | 0.136 | 0.070 | 0.265 |
1975 | 22018 | 7226 | 67085 | 87904 | 59501 | 129866 | 49316 | 31559 | 77063 | 0.179 | 0.105 | 0.307 |
1976 | 10194 | 3341 | 31104 | 111748 | 72286 | 172753 | 51534 | 35328 | 75175 | 0.254 | 0.153 | 0.420 |
1977 | 9370 | 3062 | 28676 | 134457 | 83246 | 217171 | 58806 | 40815 | 84728 | 0.311 | 0.189 | 0.513 |
1978 | 15406 | 5042 | 47072 | 146386 | 90135 | 237742 | 78826 | 50780 | 122362 | 0.314 | 0.190 | 0.519 |
1979 | 5312 | 1736 | 16258 | 139665 | 86244 | 226174 | 94089 | 57617 | 153648 | 0.412 | 0.249 | 0.682 |
1980 | 11030 | 3890 | 31276 | 110525 | 68690 | 177840 | 84288 | 50238 | 141419 | 0.268 | 0.151 | 0.476 |
1981 | 3572 | 1368 | 9328 | 88256 | 57802 | 134756 | 69494 | 43085 | 112090 | 0.262 | 0.150 | 0.457 |
1982 | 3746 | 1549 | 9056 | 66636 | 47428 | 93624 | 50011 | 34316 | 72885 | 0.468 | 0.294 | 0.744 |
1983 | 1488 | 587 | 3767 | 50413 | 36047 | 70504 | 35102 | 24698 | 49887 | 0.481 | 0.315 | 0.735 |
1984 | 2823 | 1224 | 6513 | 38177 | 27226 | 53534 | 26930 | 18649 | 38889 | 0.449 | 0.287 | 0.703 |
1985 | 99111 | 43399 | 226341 | 32016 | 23159 | 44260 | 21472 | 14907 | 30929 | 0.288 | 0.185 | 0.447 |
1986 | 74013 | 31753 | 172519 | 41399 | 29410 | 58273 | 21465 | 14897 | 30930 | 0.256 | 0.164 | 0.399 |
1987 | 2106 | 906 | 4898 | 61084 | 42126 | 88573 | 24270 | 17120 | 34406 | 0.272 | 0.177 | 0.419 |
1988 | 1760 | 776 | 3991 | 85734 | 57179 | 128548 | 30242 | 21506 | 42528 | 0.367 | 0.244 | 0.553 |
1989 | 481 | 212 | 1093 | 108771 | 70645 | 167473 | 49021 | 32003 | 75088 | 0.437 | 0.294 | 0.652 |
1990 | 858 | 359 | 2050 | 101417 | 63750 | 161342 | 62755 | 38568 | 102111 | 0.647 | 0.452 | 0.925 |
1991 | 1399 | 578 | 3386 | 53530 | 32374 | 88513 | 40864 | 24128 | 69209 | 1.042 | 0.762 | 1.424 |
1992 | 504 | 220 | 1158 | 15681 | 9108 | 26998 | 13090 | 7397 | 23165 | 1.208 | 0.861 | 1.696 |
1993 | 468 | 200 | 1095 | 3368 | 2228 | 5092 | 2543 | 1571 | 4117 | 0.461 | 0.281 | 0.757 |
1994 | 1968 | 797 | 4861 | 2389 | 1485 | 3844 | 1610 | 881 | 2944 | 0.239 | 0.134 | 0.426 |
1995 | 152 | 59 | 392 | 2587 | 1657 | 4038 | 1623 | 928 | 2840 | 0.129 | 0.069 | 0.242 |
1996 | 201 | 73 | 557 | 2621 | 1702 | 4038 | 1632 | 958 | 2783 | 0.124 | 0.063 | 0.244 |
1997 | 963 | 358 | 2588 | 2842 | 1839 | 4393 | 1848 | 1102 | 3100 | 0.142 | 0.071 | 0.286 |
1998 | 2960 | 1241 | 7055 | 2706 | 1752 | 4180 | 1840 | 1112 | 3044 | 0.133 | 0.064 | 0.278 |
1999 | 5589 | 2286 | 13663 | 2940 | 1927 | 4483 | 1814 | 1085 | 3032 | 0.084 | 0.041 | 0.171 |
2000 | 7951 | 3355 | 18847 | 3799 | 2557 | 5644 | 1914 | 1161 | 3153 | 0.075 | 0.036 | 0.155 |
2001 | 4933 | 2100 | 11592 | 5477 | 3746 | 8009 | 2338 | 1493 | 3661 | 0.061 | 0.030 | 0.126 |
2002 | 1051 | 403 | 2741 | 8103 | 5555 | 11821 | 3620 | 2394 | 5473 | 0.074 | 0.037 | 0.146 |
2003 | 21792 | 9317 | 50969 | 11072 | 7639 | 16049 | 5488 | 3670 | 8207 | 0.076 | 0.039 | 0.148 |
2004 | 176663 | 67260 | 464019 | 19264 | 12856 | 28867 | 7710 | 5189 | 11457 | 0.092 | 0.048 | 0.176 |
2005 | 36098 | 14842 | 87795 | 39262 | 23076 | 66799 | 10987 | 7423 | 16264 | 0.113 | 0.058 | 0.220 |
2006 | 21080 | 9308 | 47741 | 58806 | 35522 | 97351 | 16691 | 11299 | 24655 | 0.109 | 0.062 | 0.193 |
2007 | 8815 | 4070 | 19090 | 70404 | 45470 | 109011 | 26108 | 17697 | 38516 | 0.150 | 0.087 | 0.260 |
2008 | 13760 | 6859 | 27601 | 54557 | 37769 | 78807 | 29086 | 20040 | 42215 | 0.224 | 0.121 | 0.417 |
2009 | 31729 | 15355 | 65566 | 68597 | 47219 | 99652 | 39895 | 26412 | 60261 | 0.129 | 0.074 | 0.226 |
2010 | 33423 | 16607 | 67268 | 61451 | 42799 | 88232 | 38216 | 25408 | 57480 | 0.085 | 0.046 | 0.155 |
2011 | 6327 | 3108 | 12881 | 62131 | 43335 | 89079 | 39855 | 26451 | 60052 | 0.104 | 0.057 | 0.189 |
2012 | 3562 | 1758 | 7218 | 74907 | 52713 | 106445 | 45071 | 30444 | 66725 | 0.105 | 0.058 | 0.191 |
2013 | 1640 | 810 | 3323 | 83617 | 58429 | 119664 | 52628 | 35825 | 77312 | 0.100 | 0.054 | 0.184 |
2014 | 525 | 251 | 1098 | 90219 | 62895 | 129415 | 63831 | 43891 | 92831 | 0.127 | 0.069 | 0.234 |
2015 | 2706 | 1233 | 5938 | 69633 | 47585 | 101897 | 55105 | 37028 | 82009 | 0.208 | 0.113 | 0.383 |
2016 | 38330 | 13877 | 105871 | 59814 | 38310 | 93390 | 49563 | 30976 | 79302 | 0.253 | 0.126 | 0.508 |