Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1963 | 499319 | 182773 | 20611 | 10199 | 8062 | 4735 |
1964 | 832343 | 136353 | 51689 | 11407 | 5152 | 6445 |
1965 | 1042362 | 234920 | 40296 | 22607 | 6088 | 5137 |
1966 | 1283370 | 275406 | 67778 | 16349 | 9417 | 5648 |
1967 | 1092523 | 341124 | 72475 | 28481 | 7888 | 7530 |
1968 | 559053 | 293021 | 89680 | 28283 | 13990 | 6541 |
1969 | 500318 | 144784 | 73204 | 33827 | 11215 | 9226 |
1970 | 1573794 | 134457 | 38988 | 32273 | 15228 | 7955 |
1971 | 2047234 | 414986 | 33860 | 14916 | 15916 | 10109 |
1972 | 520737 | 519177 | 90762 | 12157 | 5975 | 12088 |
1973 | 747882 | 121297 | 106298 | 29762 | 4953 | 6807 |
1974 | 730877 | 177371 | 24029 | 36644 | 11030 | 5264 |
1975 | 1234282 | 170758 | 37086 | 9656 | 16336 | 6856 |
1976 | 836515 | 282943 | 34166 | 13650 | 3825 | 9519 |
1977 | 2080253 | 168552 | 51431 | 11074 | 5146 | 5814 |
1978 | 1387480 | 438011 | 30761 | 18873 | 5529 | 4390 |
1979 | 1639661 | 277340 | 79937 | 9082 | 7355 | 3390 |
1980 | 2607754 | 312700 | 58924 | 24760 | 3989 | 4510 |
1981 | 1069819 | 488942 | 58689 | 17717 | 8948 | 3479 |
1982 | 1715131 | 192914 | 91491 | 17004 | 6617 | 5387 |
1983 | 965113 | 313953 | 33124 | 21297 | 5454 | 4335 |
1984 | 1654484 | 177726 | 52052 | 8056 | 6823 | 3702 |
1985 | 436699 | 320296 | 33057 | 14861 | 2807 | 4076 |
1986 | 1813919 | 87029 | 57584 | 10121 | 5608 | 2861 |
1987 | 719276 | 375120 | 16601 | 15480 | 3032 | 3221 |
1988 | 494845 | 153123 | 69913 | 5262 | 4985 | 2276 |
1989 | 797311 | 107796 | 30242 | 17459 | 1816 | 2831 |
1990 | 335709 | 174207 | 20317 | 7956 | 5214 | 1621 |
1991 | 380789 | 76650 | 30638 | 6091 | 2719 | 2872 |
1992 | 762990 | 91491 | 15383 | 8981 | 2070 | 2025 |
1993 | 434087 | 188716 | 18409 | 5220 | 2945 | 1584 |
1994 | 876770 | 107259 | 36754 | 5685 | 1782 | 1726 |
1995 | 541988 | 219257 | 22880 | 10443 | 1822 | 1312 |
1996 | 358613 | 132720 | 37987 | 5566 | 3271 | 1347 |
1997 | 921723 | 93620 | 25362 | 9477 | 1836 | 1631 |
1998 | 168047 | 252458 | 20000 | 6866 | 2955 | 1206 |
1999 | 265667 | 43434 | 50262 | 5392 | 2015 | 1527 |
2000 | 468832 | 73277 | 9497 | 10657 | 1600 | 1140 |
2001 | 189473 | 133786 | 15347 | 2446 | 2532 | 820 |
2002 | 245242 | 53530 | 27092 | 4182 | 646 | 1037 |
2003 | 136080 | 69703 | 11539 | 7914 | 1177 | 590 |
2004 | 204638 | 39537 | 14640 | 3383 | 2224 | 644 |
2005 | 172129 | 56444 | 8215 | 3627 | 1067 | 1135 |
2006 | 341465 | 48243 | 12170 | 2268 | 1137 | 964 |
2007 | 170416 | 97441 | 9853 | 4223 | 997 | 862 |
2008 | 192914 | 46770 | 22857 | 3243 | 1678 | 1023 |
2009 | 187213 | 53584 | 11271 | 7918 | 1435 | 1210 |
2010 | 261712 | 51896 | 12616 | 4058 | 3349 | 1169 |
2011 | 154817 | 72114 | 12813 | 4337 | 1799 | 2298 |
2012 | 213630 | 41898 | 19229 | 6081 | 2037 | 2081 |
2013 | 250697 | 55437 | 11290 | 9111 | 3143 | 2098 |
2014 | 398714 | 63133 | 15943 | 5464 | 4653 | 2711 |
2015 | 288370 | 102744 | 17872 | 7756 | 2869 | 4391 |