Table 2. Estimated stock numbers. | ||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1974 | 62693 | 63895 | 23981 | 9355 | 9133 | 4160 | 6133 | 1422 |
1975 | 19351 | 26056 | 40987 | 12824 | 4168 | 4877 | 1540 | 3308 |
1976 | 137861 | 9691 | 15567 | 19205 | 5135 | 1813 | 2909 | 2362 |
1977 | 72403 | 90672 | 6968 | 10182 | 9271 | 1886 | 825 | 2358 |
1978 | 19803 | 41069 | 45890 | 3343 | 4752 | 4710 | 576 | 1409 |
1979 | 61206 | 9834 | 12354 | 20591 | 1443 | 1332 | 2787 | 1049 |
1980 | 21197 | 23412 | 4088 | 4134 | 10753 | 548 | 577 | 1977 |
1981 | 132323 | 16278 | 6255 | 1137 | 1012 | 5197 | 151 | 1066 |
1982 | 22652 | 47620 | 5873 | 2312 | 568 | 547 | 2531 | 539 |
1983 | 148598 | 9382 | 11737 | 1694 | 700 | 180 | 251 | 1931 |
1984 | 66503 | 58163 | 6013 | 5154 | 761 | 386 | 97 | 968 |
1985 | 33190 | 33691 | 32991 | 4253 | 2550 | 291 | 187 | 622 |
1986 | 21886 | 19924 | 17426 | 18485 | 2614 | 1555 | 142 | 451 |
1987 | 35031 | 7026 | 12673 | 12017 | 11321 | 1409 | 1035 | 483 |
1988 | 3734 | 32794 | 5993 | 8013 | 5090 | 5178 | 499 | 964 |
1989 | 79301 | 3773 | 15753 | 2801 | 4546 | 2385 | 2581 | 874 |
1990 | 52261 | 48825 | 3601 | 7902 | 1456 | 2407 | 938 | 1603 |
1991 | 56162 | 42830 | 27065 | 3301 | 4555 | 936 | 1292 | 1306 |
1992 | 76957 | 39855 | 26582 | 11802 | 2616 | 2192 | 748 | 1086 |
1993 | 73130 | 69425 | 27806 | 13894 | 5834 | 1663 | 1426 | 1441 |
1994 | 30761 | 71754 | 51741 | 18896 | 10633 | 3901 | 960 | 1152 |
1995 | 152665 | 20738 | 38254 | 27750 | 12491 | 6908 | 2333 | 1492 |
1996 | 160813 | 175080 | 22359 | 24588 | 12305 | 5478 | 2492 | 1419 |
1997 | 29496 | 137036 | 105662 | 19732 | 13192 | 5974 | 2295 | 1039 |
1998 | 164062 | 24490 | 72186 | 61451 | 8535 | 5550 | 3656 | 1419 |
1999 | 26796 | 119970 | 21735 | 34718 | 29584 | 4046 | 2336 | 1737 |
2000 | 134592 | 17072 | 62193 | 9978 | 14501 | 13597 | 2029 | 2242 |
2001 | 37198 | 70474 | 12005 | 31698 | 5882 | 7764 | 6638 | 1589 |
2002 | 83533 | 31039 | 43391 | 11888 | 14344 | 3294 | 3150 | 4124 |
2003 | 126374 | 42024 | 19132 | 18231 | 7149 | 6718 | 2479 | 4409 |
2004 | 272665 | 75282 | 20145 | 9938 | 8550 | 3745 | 3321 | 3810 |
2005 | 28970 | 172129 | 44135 | 9651 | 5136 | 2828 | 1969 | 2148 |
2006 | 109974 | 19116 | 90581 | 24005 | 4588 | 2128 | 1375 | 1831 |
2007 | 137999 | 56387 | 12806 | 40660 | 11025 | 1757 | 812 | 1468 |
2008 | 64602 | 78355 | 25566 | 8529 | 17746 | 6167 | 891 | 1152 |
2009 | 198392 | 43217 | 36243 | 11178 | 5134 | 8311 | 2887 | 1014 |
2010 | 45798 | 113891 | 20923 | 13862 | 3954 | 2596 | 3261 | 1541 |
2011 | 93901 | 25235 | 59576 | 10805 | 5814 | 2116 | 1397 | 2157 |
2012 | 71754 | 36388 | 12655 | 26450 | 4545 | 2571 | 985 | 1529 |
2013 | 66636 | 48533 | 17712 | 7947 | 11811 | 2186 | 1038 | 1032 |
2014 | 47193 | 37571 | 23600 | 7747 | 4250 | 4358 | 1016 | 1047 |
2015 | 221461 | 31163 | 23482 | 12393 | 4336 | 2538 | 2131 | 1086 |
2016 | 43958 | 131400 | 19687 | 11014 | 4902 | 1972 | 1457 | 1640 |