Table 2. Estimated stock numbers. | ||||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10+ |
1981 | 4106 | 3602 | 4723 | 2021 | 2439 | 2072 | 1645 | 1801 | 1469 | 3256 |
1982 | 5554 | 3012 | 2663 | 3269 | 1530 | 1394 | 1195 | 946 | 895 | 2189 |
1983 | 21617 | 4395 | 2015 | 1792 | 1843 | 1166 | 951 | 809 | 549 | 1506 |
1984 | 20978 | 16802 | 2777 | 1291 | 1269 | 1351 | 779 | 521 | 425 | 1019 |
1985 | 10252 | 15417 | 10843 | 1580 | 779 | 908 | 758 | 446 | 252 | 736 |
1986 | 7074 | 6563 | 9850 | 5909 | 1011 | 481 | 496 | 406 | 231 | 521 |
1987 | 8598 | 4906 | 4127 | 6703 | 2572 | 419 | 247 | 243 | 163 | 298 |
1988 | 6274 | 6524 | 3396 | 2879 | 3727 | 1257 | 207 | 117 | 94 | 174 |
1989 | 8521 | 4565 | 5010 | 2506 | 2150 | 1635 | 374 | 99 | 50 | 115 |
1990 | 17418 | 5880 | 2911 | 2658 | 1473 | 1213 | 595 | 139 | 38 | 74 |
1991 | 9426 | 14828 | 4198 | 1773 | 1491 | 853 | 536 | 185 | 39 | 38 |
1992 | 7297 | 7897 | 13204 | 3358 | 1243 | 785 | 466 | 290 | 101 | 42 |
1993 | 5325 | 5368 | 5559 | 10150 | 2336 | 973 | 508 | 277 | 160 | 79 |
1994 | 7467 | 3645 | 3753 | 3433 | 6817 | 1535 | 773 | 354 | 184 | 139 |
1995 | 9830 | 5649 | 3160 | 2556 | 2783 | 3790 | 1015 | 524 | 216 | 190 |
1996 | 28948 | 7557 | 4033 | 2306 | 1521 | 1773 | 2211 | 623 | 300 | 239 |
1997 | 45627 | 22499 | 5649 | 2518 | 1370 | 1006 | 989 | 1168 | 302 | 303 |
1998 | 28233 | 39193 | 17244 | 3503 | 1357 | 903 | 720 | 565 | 574 | 292 |
1999 | 20999 | 21445 | 29503 | 10864 | 1750 | 736 | 487 | 364 | 227 | 386 |
2000 | 36763 | 15919 | 16502 | 16175 | 4561 | 1144 | 475 | 304 | 161 | 303 |
2001 | 55450 | 30280 | 13111 | 11007 | 7587 | 1725 | 497 | 223 | 133 | 194 |
2002 | 46782 | 42798 | 18868 | 7953 | 5352 | 3482 | 768 | 278 | 104 | 155 |
2003 | 49625 | 39114 | 36324 | 13908 | 5091 | 2720 | 1169 | 298 | 91 | 95 |
2004 | 31611 | 38302 | 29385 | 21168 | 7312 | 2608 | 1294 | 550 | 132 | 80 |
2005 | 18532 | 24325 | 26245 | 17558 | 10596 | 3220 | 1057 | 482 | 204 | 87 |
2006 | 6859 | 14318 | 22522 | 19580 | 9733 | 4404 | 1316 | 433 | 192 | 115 |
2007 | 3734 | 4965 | 11864 | 15526 | 10533 | 5215 | 2207 | 722 | 219 | 156 |
2008 | 4574 | 2766 | 3949 | 10089 | 9020 | 4926 | 2035 | 883 | 297 | 186 |
2009 | 4965 | 3166 | 2131 | 3524 | 6517 | 4529 | 2174 | 823 | 362 | 208 |
2010 | 15007 | 4360 | 2141 | 1757 | 3169 | 4181 | 2613 | 1142 | 415 | 290 |
2011 | 20563 | 13270 | 3214 | 1612 | 1625 | 2429 | 2371 | 1271 | 681 | 401 |
2012 | 18718 | 16079 | 12152 | 2245 | 1091 | 1563 | 2311 | 2103 | 1088 | 903 |
2013 | 11162 | 16273 | 12176 | 8113 | 2285 | 1087 | 1359 | 1719 | 1464 | 1446 |
2014 | 11410 | 8701 | 14549 | 9240 | 4506 | 1292 | 794 | 924 | 1097 | 1792 |
2015 | 11410 | 8815 | 6676 | 10049 | 5460 | 1903 | 589 | 349 | 400 | 1328 |