Table 2. Estimated stock numbers. | ||||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10+ |
1981 | 3609 | 3715 | 4662 | 2439 | 2463 | 2202 | 1731 | 1830 | 1440 | 3057 |
1982 | 4648 | 2706 | 2717 | 3204 | 1712 | 1535 | 1301 | 996 | 940 | 2245 |
1983 | 16535 | 3577 | 1955 | 1951 | 2116 | 1222 | 977 | 820 | 571 | 1738 |
1984 | 18292 | 12485 | 2493 | 1325 | 1357 | 1403 | 768 | 555 | 435 | 1205 |
1985 | 9890 | 13606 | 8470 | 1569 | 834 | 883 | 775 | 424 | 267 | 808 |
1986 | 7393 | 7089 | 9417 | 5030 | 952 | 501 | 481 | 402 | 201 | 517 |
1987 | 8632 | 5325 | 4771 | 5880 | 2444 | 455 | 236 | 219 | 154 | 281 |
1988 | 6459 | 6414 | 3772 | 3227 | 3282 | 1151 | 213 | 111 | 88 | 179 |
1989 | 9120 | 4756 | 4616 | 2577 | 2097 | 1588 | 433 | 99 | 46 | 116 |
1990 | 19955 | 6583 | 3259 | 2731 | 1505 | 1120 | 606 | 164 | 37 | 67 |
1991 | 9249 | 15479 | 4625 | 2029 | 1484 | 792 | 489 | 223 | 56 | 40 |
1992 | 6643 | 7283 | 12447 | 3389 | 1423 | 891 | 471 | 284 | 123 | 55 |
1993 | 5331 | 5056 | 5444 | 9138 | 2331 | 1011 | 552 | 285 | 163 | 104 |
1994 | 6709 | 4065 | 3760 | 3794 | 6200 | 1557 | 710 | 351 | 175 | 161 |
1995 | 9184 | 5184 | 3227 | 2668 | 2733 | 3922 | 1023 | 471 | 213 | 206 |
1996 | 25495 | 7124 | 3848 | 2318 | 1727 | 1760 | 2327 | 610 | 263 | 244 |
1997 | 41992 | 19599 | 5315 | 2508 | 1456 | 1094 | 1011 | 1248 | 302 | 274 |
1998 | 28602 | 33331 | 14592 | 3499 | 1488 | 938 | 684 | 565 | 623 | 301 |
1999 | 22862 | 21791 | 24398 | 8719 | 1862 | 820 | 500 | 338 | 232 | 419 |
2000 | 37281 | 17663 | 16420 | 14902 | 4330 | 1108 | 467 | 278 | 153 | 322 |
2001 | 58469 | 28861 | 13350 | 10345 | 7153 | 1907 | 512 | 218 | 111 | 201 |
2002 | 50123 | 44992 | 20625 | 8572 | 5406 | 3382 | 832 | 251 | 91 | 139 |
2003 | 52013 | 39193 | 34038 | 13484 | 4833 | 2663 | 1341 | 351 | 94 | 94 |
2004 | 38149 | 39825 | 29297 | 21317 | 7334 | 2488 | 1228 | 615 | 151 | 84 |
2005 | 23185 | 29415 | 28717 | 18020 | 10607 | 3279 | 1020 | 486 | 233 | 96 |
2006 | 8949 | 17966 | 23115 | 18963 | 9588 | 4667 | 1386 | 434 | 197 | 140 |
2007 | 4658 | 6893 | 14076 | 15744 | 10564 | 4848 | 2209 | 695 | 206 | 167 |
2008 | 4552 | 3602 | 5379 | 10304 | 8984 | 5005 | 2051 | 955 | 303 | 179 |
2009 | 5460 | 3385 | 2797 | 4193 | 6453 | 4533 | 2285 | 893 | 433 | 233 |
2010 | 16420 | 4430 | 2498 | 2227 | 3312 | 4065 | 2592 | 1285 | 506 | 390 |
2011 | 20978 | 13484 | 3430 | 1814 | 1785 | 2444 | 2498 | 1490 | 800 | 566 |
2012 | 21041 | 16735 | 11173 | 2647 | 1361 | 1557 | 2110 | 1995 | 1173 | 1073 |
2013 | 11971 | 17418 | 13046 | 8121 | 2131 | 1075 | 1216 | 1529 | 1385 | 1596 |
2014 | 12103 | 9473 | 14246 | 9704 | 5236 | 1345 | 712 | 770 | 938 | 1873 |
2015 | 12103 | 9379 | 7181 | 9684 | 5880 | 2536 | 598 | 296 | 321 | 1305 |