Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 404740 | 234451 | 73424 | 21017 | 4337 | 1774 | 168 |
1967 | 381551 | 289237 | 104715 | 29349 | 7042 | 1155 | 523 |
1968 | 338067 | 258590 | 103881 | 31920 | 7248 | 1069 | 245 |
1969 | 288082 | 236570 | 108120 | 35703 | 8867 | 1942 | 348 |
1970 | 242559 | 199985 | 97734 | 37911 | 8995 | 2455 | 646 |
1971 | 259886 | 167209 | 83617 | 32893 | 9915 | 2516 | 877 |
1972 | 315843 | 187025 | 81879 | 33323 | 10313 | 3888 | 1314 |
1973 | 405145 | 225709 | 87204 | 29912 | 9822 | 3667 | 1937 |
1974 | 423793 | 296559 | 111525 | 32598 | 9106 | 3604 | 2104 |
1975 | 319976 | 316159 | 153430 | 45252 | 10999 | 3384 | 2157 |
1976 | 325136 | 234216 | 165877 | 64991 | 16973 | 4214 | 2155 |
1977 | 460469 | 237994 | 121176 | 63007 | 20850 | 5499 | 2091 |
1978 | 695927 | 346625 | 136080 | 51792 | 21154 | 6938 | 2518 |
1979 | 576079 | 541988 | 216858 | 71040 | 22743 | 9251 | 4190 |
1980 | 468832 | 434521 | 334035 | 109207 | 31729 | 9819 | 5696 |
1981 | 639217 | 343176 | 251702 | 149941 | 40864 | 12185 | 5913 |
1982 | 629701 | 483110 | 203414 | 109974 | 53051 | 13899 | 6291 |
1983 | 442856 | 471182 | 284361 | 89859 | 38292 | 17384 | 6491 |
1984 | 311452 | 328076 | 282943 | 132986 | 34752 | 14095 | 8881 |
1985 | 258074 | 223910 | 174730 | 113777 | 43174 | 10662 | 7035 |
1986 | 266999 | 184979 | 122149 | 71254 | 39975 | 14126 | 5807 |
1987 | 288370 | 190613 | 95416 | 43045 | 20380 | 10159 | 5097 |
1988 | 204025 | 209190 | 98913 | 35811 | 13413 | 5903 | 4398 |
1989 | 130483 | 147414 | 106404 | 36754 | 12111 | 4449 | 3391 |
1990 | 103466 | 92411 | 68597 | 32565 | 9888 | 3681 | 2401 |
1991 | 94466 | 71111 | 41069 | 18890 | 6876 | 2587 | 1629 |
1992 | 139804 | 62881 | 26635 | 9306 | 2874 | 1317 | 805 |
1993 | 171271 | 102130 | 32370 | 9518 | 2501 | 833 | 609 |
1994 | 135944 | 133653 | 66836 | 18809 | 4605 | 1328 | 768 |
1995 | 121055 | 101519 | 78984 | 33323 | 7669 | 2064 | 964 |
1996 | 109426 | 89232 | 55381 | 33523 | 10792 | 2916 | 1118 |
1997 | 97831 | 79778 | 45026 | 20533 | 8554 | 3849 | 1470 |
1998 | 133386 | 70545 | 38254 | 15163 | 4470 | 2694 | 1690 |
1999 | 141492 | 99211 | 37347 | 14268 | 3770 | 1585 | 1569 |
2000 | 144929 | 105030 | 52470 | 14200 | 3812 | 1396 | 1189 |
2001 | 129832 | 105135 | 51431 | 16776 | 3402 | 1341 | 900 |
2002 | 127262 | 93995 | 50011 | 14846 | 3749 | 1149 | 764 |
2003 | 101926 | 91217 | 45844 | 14937 | 3376 | 1214 | 628 |
2004 | 112196 | 74982 | 45798 | 13738 | 3694 | 1117 | 611 |
2005 | 162755 | 81308 | 36461 | 11925 | 2558 | 842 | 399 |
2006 | 178439 | 123748 | 47099 | 13731 | 3502 | 839 | 410 |
2007 | 204230 | 137999 | 74907 | 19918 | 4547 | 1260 | 451 |
2008 | 227067 | 161458 | 95416 | 36498 | 8530 | 2024 | 771 |
2009 | 224134 | 179692 | 113210 | 48630 | 15730 | 3868 | 1247 |
2010 | 233281 | 177017 | 127516 | 56444 | 20404 | 6660 | 2188 |
2011 | 254740 | 185165 | 127772 | 61945 | 23179 | 8731 | 3802 |
2012 | 278173 | 201592 | 129573 | 54885 | 20386 | 7430 | 4032 |
2013 | 332701 | 218819 | 137723 | 50262 | 16485 | 6395 | 3596 |