Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1963 | 499818 | 187775 | 20566 | 10362 | 8298 | 5349 |
1964 | 823237 | 136353 | 52261 | 11563 | 5285 | 7203 |
1965 | 1065548 | 233748 | 40660 | 22994 | 6237 | 5731 |
1966 | 1300163 | 280127 | 68323 | 16529 | 9565 | 6318 |
1967 | 1099098 | 344208 | 73277 | 28796 | 8069 | 8362 |
1968 | 556265 | 295079 | 90581 | 28767 | 14380 | 7276 |
1969 | 491393 | 143774 | 73277 | 34235 | 11487 | 10239 |
1970 | 1589611 | 133252 | 39066 | 32435 | 15494 | 8725 |
1971 | 2071948 | 419996 | 33827 | 14965 | 16068 | 10937 |
1972 | 519696 | 524919 | 91126 | 12164 | 5989 | 13042 |
1973 | 753889 | 120934 | 106724 | 29941 | 4971 | 7376 |
1974 | 748630 | 179333 | 24077 | 36754 | 11116 | 5761 |
1975 | 1261737 | 173859 | 37235 | 9676 | 16505 | 7383 |
1976 | 850858 | 297152 | 34269 | 13656 | 3819 | 10134 |
1977 | 2057495 | 180232 | 51689 | 10972 | 5151 | 6330 |
1978 | 1289803 | 468832 | 31008 | 18881 | 5612 | 4763 |
1979 | 1544174 | 288947 | 80822 | 9033 | 7406 | 3668 |
1980 | 2426596 | 332036 | 59160 | 24736 | 3992 | 4833 |
1981 | 964148 | 521258 | 59101 | 17689 | 8915 | 3757 |
1982 | 1556577 | 201592 | 92503 | 17018 | 6606 | 5753 |
1983 | 860269 | 333034 | 33290 | 21216 | 5435 | 4642 |
1984 | 1562816 | 184241 | 52208 | 8030 | 6793 | 3983 |
1985 | 383464 | 343520 | 33223 | 14796 | 2796 | 4362 |
1986 | 1758550 | 87291 | 58105 | 10217 | 5630 | 3115 |
1987 | 686252 | 398714 | 16424 | 15468 | 3037 | 3487 |
1988 | 482627 | 156061 | 70474 | 5229 | 4996 | 2481 |
1989 | 839868 | 110304 | 30485 | 17550 | 1835 | 3075 |
1990 | 339762 | 185721 | 20380 | 7991 | 5284 | 1796 |
1991 | 394747 | 77265 | 30884 | 6138 | 2763 | 3150 |
1992 | 909818 | 92781 | 15048 | 8999 | 2087 | 2228 |
1993 | 462314 | 205459 | 17960 | 5116 | 2944 | 1733 |
1994 | 1092523 | 108120 | 36498 | 5600 | 1786 | 1870 |
1995 | 643708 | 250948 | 23225 | 10460 | 1834 | 1444 |
1996 | 405550 | 143057 | 39498 | 5742 | 3371 | 1519 |
1997 | 1269330 | 97538 | 25874 | 9602 | 1898 | 1812 |
1998 | 154199 | 302549 | 20636 | 7057 | 3051 | 1359 |
1999 | 274306 | 37123 | 54339 | 5550 | 2100 | 1714 |
2000 | 504337 | 66970 | 8564 | 10579 | 1599 | 1223 |
2001 | 184057 | 125492 | 14206 | 2313 | 2463 | 871 |
2002 | 269952 | 47382 | 25540 | 4118 | 640 | 1110 |
2003 | 132588 | 66039 | 10778 | 7625 | 1188 | 647 |
2004 | 214486 | 35846 | 14402 | 3309 | 2241 | 714 |
2005 | 160813 | 51072 | 8140 | 3685 | 1094 | 1277 |
2006 | 369904 | 42574 | 12384 | 2363 | 1204 | 1128 |
2007 | 171271 | 94466 | 10056 | 4432 | 1075 | 1015 |
2008 | 194464 | 43695 | 23790 | 3499 | 1842 | 1244 |
2009 | 189283 | 50362 | 11540 | 8313 | 1596 | 1474 |
2010 | 280688 | 51586 | 13501 | 4423 | 3748 | 1457 |
2011 | 133786 | 75057 | 14080 | 4963 | 2104 | 2940 |
2012 | 175606 | 38101 | 21528 | 6973 | 2425 | 2702 |
2013 | 215346 | 48002 | 11970 | 10306 | 3721 | 2696 |
2014 | 341124 | 59042 | 16357 | 5974 | 5356 | 3411 |
2015 | 263550 | 99012 | 19604 | 8214 | 3201 | 5535 |