Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1963 | 498321 | 182773 | 20686 | 10229 | 8105 | 4824 |
1964 | 831511 | 136080 | 51792 | 11439 | 5175 | 6553 |
1965 | 1042362 | 234451 | 40296 | 22652 | 6109 | 5235 |
1966 | 1283370 | 275130 | 67778 | 16385 | 9465 | 5747 |
1967 | 1093616 | 340783 | 72475 | 28538 | 7912 | 7647 |
1968 | 557936 | 293314 | 89769 | 28311 | 14028 | 6652 |
1969 | 498820 | 144495 | 73350 | 33894 | 11256 | 9366 |
1970 | 1573794 | 134188 | 38988 | 32338 | 15291 | 8105 |
1971 | 2053385 | 415401 | 33860 | 14925 | 15947 | 10283 |
1972 | 521258 | 520737 | 90672 | 12155 | 5979 | 12253 |
1973 | 748630 | 121540 | 106298 | 29762 | 4957 | 6935 |
1974 | 731608 | 177549 | 24077 | 36717 | 11069 | 5366 |
1975 | 1241710 | 170928 | 37123 | 9663 | 16378 | 6978 |
1976 | 839029 | 284361 | 34166 | 13654 | 3828 | 9668 |
1977 | 2086503 | 169058 | 51534 | 11101 | 5155 | 5928 |
1978 | 1383324 | 439327 | 30792 | 18913 | 5538 | 4477 |
1979 | 1639661 | 277340 | 80017 | 9111 | 7388 | 3470 |
1980 | 2607754 | 313013 | 58924 | 24835 | 4003 | 4609 |
1981 | 1068750 | 489432 | 58747 | 17746 | 8996 | 3568 |
1982 | 1718565 | 193107 | 91491 | 17026 | 6637 | 5501 |
1983 | 961260 | 315527 | 33124 | 21318 | 5475 | 4440 |
1984 | 1657797 | 177549 | 52156 | 8077 | 6855 | 3800 |
1985 | 431922 | 321258 | 33124 | 14910 | 2823 | 4183 |
1986 | 1813919 | 86509 | 57757 | 10163 | 5640 | 2949 |
1987 | 716404 | 375871 | 16597 | 15533 | 3053 | 3314 |
1988 | 493856 | 152818 | 70052 | 5270 | 5021 | 2355 |
1989 | 800507 | 107796 | 30303 | 17555 | 1829 | 2921 |
1990 | 335038 | 175080 | 20378 | 8003 | 5282 | 1693 |
1991 | 380789 | 76650 | 30792 | 6139 | 2754 | 2987 |
1992 | 769118 | 91675 | 15471 | 9069 | 2100 | 2128 |
1993 | 439327 | 190613 | 18611 | 5296 | 3009 | 1681 |
1994 | 899865 | 108989 | 37421 | 5815 | 1833 | 1841 |
1995 | 561294 | 226613 | 23624 | 10824 | 1899 | 1429 |
1996 | 371759 | 137999 | 39855 | 5848 | 3453 | 1485 |
1997 | 996496 | 97052 | 26423 | 9884 | 1920 | 1780 |
1998 | 168890 | 267533 | 20844 | 7177 | 3100 | 1330 |
1999 | 257043 | 43347 | 52313 | 5582 | 2098 | 1661 |
2000 | 438888 | 69843 | 9158 | 10512 | 1579 | 1186 |
2001 | 182225 | 126374 | 14590 | 2337 | 2461 | 846 |
2002 | 237044 | 51586 | 26082 | 4055 | 635 | 1081 |
2003 | 120934 | 67440 | 11221 | 7738 | 1175 | 636 |
2004 | 203211 | 36975 | 14370 | 3351 | 2252 | 705 |
2005 | 168721 | 56387 | 8114 | 3665 | 1095 | 1257 |
2006 | 334035 | 47524 | 12498 | 2354 | 1199 | 1105 |
2007 | 170758 | 96664 | 9988 | 4377 | 1056 | 1002 |
2008 | 193494 | 46958 | 23156 | 3358 | 1784 | 1192 |
2009 | 178260 | 53745 | 11493 | 8200 | 1528 | 1416 |
2010 | 267801 | 51124 | 12927 | 4241 | 3595 | 1390 |
2011 | 156373 | 74087 | 13149 | 4572 | 1949 | 2724 |
2012 | 200586 | 42447 | 20153 | 6481 | 2227 | 2512 |
2013 | 250697 | 53852 | 11585 | 9622 | 3440 | 2540 |
2014 | 397918 | 63259 | 15987 | 5670 | 5020 | 3251 |
2015 | 284361 | 102539 | 18036 | 7844 | 3023 | 5134 |