Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 574928 | 254486 | 80258 | 21072 | 3916 | 1596 | 91 |
1967 | 572633 | 310830 | 93714 | 33793 | 5195 | 964 | 415 |
1968 | 503329 | 295375 | 108662 | 35846 | 5588 | 845 | 221 |
1969 | 464167 | 252963 | 107259 | 35632 | 8671 | 1364 | 257 |
1970 | 362943 | 219038 | 93060 | 38832 | 7960 | 1949 | 366 |
1971 | 369165 | 175080 | 86077 | 32306 | 9004 | 1828 | 532 |
1972 | 471182 | 190804 | 77111 | 31008 | 9847 | 2784 | 724 |
1973 | 581287 | 245242 | 82537 | 26903 | 9179 | 2899 | 1047 |
1974 | 587129 | 337392 | 113777 | 29202 | 8153 | 2794 | 1207 |
1975 | 403931 | 365858 | 160813 | 44534 | 9188 | 2563 | 1263 |
1976 | 348015 | 251954 | 168890 | 65710 | 15744 | 3225 | 1346 |
1977 | 474967 | 239426 | 125242 | 66304 | 18717 | 4469 | 1299 |
1978 | 971892 | 341465 | 137310 | 54448 | 17294 | 4890 | 1499 |
1979 | 815046 | 640497 | 200787 | 67643 | 20427 | 6509 | 2404 |
1980 | 552937 | 490902 | 367324 | 99012 | 27092 | 8097 | 3508 |
1981 | 786226 | 341806 | 276786 | 163244 | 34579 | 9495 | 4031 |
1982 | 868914 | 510426 | 204843 | 120692 | 47335 | 10025 | 3924 |
1983 | 641138 | 528607 | 300740 | 92503 | 34064 | 13393 | 3908 |
1984 | 421258 | 360411 | 303155 | 136489 | 29792 | 10941 | 5551 |
1985 | 375120 | 226160 | 189662 | 127516 | 38754 | 8430 | 4653 |
1986 | 343863 | 188716 | 117712 | 77188 | 39066 | 11834 | 3978 |
1987 | 481663 | 194853 | 100007 | 44267 | 17211 | 8680 | 3505 |
1988 | 300740 | 252963 | 98617 | 37384 | 11461 | 4459 | 3135 |
1989 | 150242 | 163244 | 114462 | 33894 | 11611 | 3545 | 2336 |
1990 | 146239 | 89501 | 68734 | 30364 | 9428 | 3229 | 1635 |
1991 | 109098 | 75963 | 37835 | 16835 | 6870 | 2144 | 1110 |
1992 | 170076 | 62318 | 28595 | 9525 | 2817 | 1128 | 532 |
1993 | 226160 | 105979 | 32598 | 10142 | 2107 | 603 | 355 |
1994 | 180954 | 142914 | 62505 | 16637 | 4472 | 909 | 412 |
1995 | 159373 | 109098 | 77886 | 30607 | 6635 | 1716 | 511 |
1996 | 145510 | 97538 | 56727 | 32827 | 9976 | 2097 | 694 |
1997 | 96664 | 89590 | 45752 | 19212 | 9538 | 2854 | 800 |
1998 | 166209 | 64280 | 40701 | 14650 | 4622 | 2245 | 862 |
1999 | 161458 | 105345 | 31729 | 13302 | 3703 | 1143 | 772 |
2000 | 210660 | 96278 | 48776 | 9749 | 3418 | 927 | 483 |
2001 | 171271 | 104089 | 37086 | 10782 | 1853 | 637 | 263 |
2002 | 177194 | 84796 | 34303 | 4979 | 849 | 141 | 69 |
2003 | 91400 | 91126 | 26930 | 6351 | 1195 | 199 | 49 |
2004 | 81961 | 48728 | 28999 | 3558 | 1415 | 258 | 54 |
2005 | 185721 | 44356 | 14363 | 3015 | 382 | 141 | 31 |
2006 | 150392 | 93526 | 12607 | 2684 | 1036 | 118 | 54 |
2007 | 124368 | 71898 | 28368 | 3147 | 895 | 321 | 53 |
2008 | 149642 | 63259 | 24686 | 6046 | 667 | 170 | 72 |
2009 | 132588 | 84881 | 22539 | 5157 | 1300 | 144 | 52 |
2010 | 161458 | 74682 | 31288 | 5117 | 1539 | 374 | 57 |
2011 | 191568 | 100007 | 27092 | 4617 | 565 | 169 | 47 |
2012 | 122272 | 118184 | 37309 | 5770 | 1582 | 189 | 73 |
2013 | 165215 | 79142 | 41440 | 6444 | 1142 | 307 | 51 |
2014 | 178796 | 114577 | 27447 | 6556 | 1179 | 208 | 65 |
2015 | 166875 | 124866 | 38638 | 4592 | 909 | 160 | 37 |