Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1971 | 22607 | 32177 | 15036 | 4313 | 2037 | 576 |
1972 | 11070 | 17149 | 17910 | 6403 | 1809 | 1129 |
1973 | 18359 | 8510 | 9355 | 7806 | 2741 | 1365 |
1974 | 25387 | 15406 | 9690 | 5277 | 2485 | 1042 |
1975 | 24367 | 20792 | 8031 | 5065 | 1450 | 1006 |
1976 | 12176 | 20564 | 14785 | 3194 | 1747 | 846 |
1977 | 24514 | 9471 | 13187 | 6517 | 889 | 861 |
1978 | 19442 | 22607 | 5404 | 4874 | 1684 | 475 |
1979 | 9657 | 16125 | 14254 | 1990 | 1735 | 616 |
1980 | 15791 | 7297 | 11228 | 6192 | 638 | 834 |
1981 | 15603 | 12626 | 4971 | 4921 | 2127 | 475 |
1982 | 19374 | 12630 | 6438 | 2127 | 1184 | 765 |
1983 | 16417 | 16434 | 7601 | 1974 | 423 | 460 |
1984 | 10242 | 14084 | 8675 | 2485 | 471 | 236 |
1985 | 7224 | 8713 | 8249 | 2725 | 592 | 161 |
1986 | 18231 | 5965 | 4500 | 2058 | 561 | 181 |
1987 | 4807 | 15715 | 3541 | 1265 | 437 | 159 |
1988 | 7522 | 3914 | 6226 | 1029 | 280 | 112 |
1989 | 3412 | 6152 | 2345 | 1954 | 261 | 113 |
1990 | 13984 | 2711 | 2515 | 690 | 465 | 80 |
1991 | 5541 | 12192 | 1306 | 589 | 144 | 111 |
1992 | 9884 | 4961 | 5958 | 297 | 101 | 43 |
1993 | 5906 | 8618 | 2698 | 2044 | 64 | 32 |
1994 | 7890 | 5102 | 5567 | 1157 | 604 | 25 |
1995 | 14710 | 6270 | 3487 | 2038 | 398 | 205 |
1996 | 4172 | 12292 | 3999 | 1298 | 506 | 156 |
1997 | 10441 | 3453 | 9243 | 1444 | 350 | 173 |
1998 | 8526 | 9466 | 2340 | 2801 | 365 | 121 |
1999 | 8931 | 6728 | 5557 | 660 | 588 | 106 |
2000 | 3673 | 6274 | 3621 | 1427 | 159 | 151 |
2001 | 2152 | 2699 | 3017 | 869 | 278 | 67 |
2002 | 5259 | 1916 | 1348 | 759 | 164 | 71 |
2003 | 1311 | 4405 | 1290 | 447 | 211 | 55 |
2004 | 6110 | 1071 | 2459 | 470 | 153 | 98 |
2005 | 2169 | 5357 | 661 | 888 | 136 | 70 |
2006 | 2426 | 1810 | 3088 | 245 | 269 | 68 |
2007 | 945 | 1461 | 913 | 894 | 80 | 117 |
2008 | 657 | 584 | 624 | 278 | 185 | 47 |
2009 | 2827 | 451 | 268 | 211 | 71 | 45 |
2010 | 1393 | 2455 | 260 | 95 | 56 | 30 |
2011 | 1600 | 1127 | 1337 | 93 | 24 | 21 |
2012 | 2334 | 1236 | 531 | 482 | 23 | 11 |