Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 402721 | 232582 | 69633 | 22292 | 4433 | 1780 | 169 |
1967 | 372503 | 284646 | 96664 | 25591 | 7234 | 1192 | 529 |
1968 | 340783 | 259367 | 113210 | 34098 | 7802 | 982 | 226 |
1969 | 292728 | 236807 | 104715 | 36279 | 8760 | 2160 | 335 |
1970 | 247459 | 200386 | 97343 | 37873 | 8540 | 2517 | 726 |
1971 | 264607 | 169566 | 86163 | 34857 | 10454 | 2440 | 932 |
1972 | 317426 | 185350 | 81146 | 32403 | 9526 | 4230 | 1356 |
1973 | 408808 | 224134 | 86509 | 29614 | 9644 | 3598 | 2187 |
1974 | 429338 | 299240 | 111972 | 31761 | 8802 | 3679 | 2249 |
1975 | 317426 | 321901 | 152665 | 44981 | 10747 | 3269 | 2229 |
1976 | 316159 | 233982 | 158895 | 63070 | 17525 | 4135 | 2144 |
1977 | 449100 | 238948 | 124991 | 62131 | 21595 | 5668 | 2058 |
1978 | 707151 | 348015 | 143918 | 55770 | 20578 | 6653 | 2371 |
1979 | 584785 | 546888 | 212777 | 72258 | 22629 | 8774 | 3890 |
1980 | 465562 | 434956 | 327093 | 105768 | 32598 | 9581 | 5289 |
1981 | 632857 | 342491 | 252458 | 147414 | 40255 | 12951 | 5889 |
1982 | 629701 | 481663 | 210871 | 110194 | 51792 | 13314 | 6328 |
1983 | 449549 | 470711 | 290106 | 95511 | 38677 | 16521 | 6149 |
1984 | 310209 | 325787 | 277618 | 131268 | 34648 | 13970 | 8298 |
1985 | 257301 | 221018 | 173859 | 116192 | 44135 | 10957 | 7039 |
1986 | 266199 | 179333 | 117712 | 69217 | 41151 | 14413 | 5888 |
1987 | 302549 | 190804 | 97929 | 43565 | 20740 | 10005 | 4961 |
1988 | 205664 | 216209 | 100108 | 36901 | 13632 | 5770 | 4151 |
1989 | 122272 | 145656 | 103570 | 35031 | 12583 | 4444 | 3221 |
1990 | 99907 | 87204 | 64796 | 29792 | 9532 | 3949 | 2431 |
1991 | 89859 | 69494 | 38716 | 17129 | 6257 | 2551 | 1739 |
1992 | 135944 | 63577 | 27973 | 9777 | 3056 | 1308 | 888 |
1993 | 172819 | 100408 | 34787 | 10421 | 2657 | 784 | 559 |
1994 | 135944 | 129314 | 61329 | 18615 | 4299 | 1321 | 673 |
1995 | 119731 | 98716 | 73939 | 30669 | 7616 | 1915 | 906 |
1996 | 107581 | 87466 | 54448 | 32728 | 10663 | 2784 | 1007 |
1997 | 92503 | 78669 | 43608 | 20036 | 8216 | 4020 | 1464 |
1998 | 132588 | 68391 | 37835 | 15540 | 4527 | 2652 | 1777 |
1999 | 140365 | 98716 | 36461 | 14033 | 3641 | 1586 | 1561 |
2000 | 144929 | 102950 | 50767 | 13594 | 3537 | 1342 | 1177 |
2001 | 122762 | 102642 | 49365 | 15618 | 3417 | 1291 | 913 |
2002 | 119970 | 86942 | 46258 | 13501 | 3620 | 1235 | 802 |
2003 | 95130 | 84796 | 40987 | 13358 | 3048 | 1187 | 675 |
2004 | 98617 | 68528 | 39419 | 10921 | 3379 | 1047 | 640 |
2005 | 134996 | 71826 | 34338 | 11381 | 2362 | 749 | 376 |
2006 | 123500 | 100811 | 39066 | 11954 | 3037 | 685 | 330 |
2007 | 137036 | 92319 | 53477 | 15636 | 3562 | 941 | 317 |
2008 | 153277 | 105135 | 55938 | 21699 | 5623 | 1258 | 450 |
2009 | 139665 | 119253 | 66436 | 28226 | 9276 | 2648 | 798 |
2010 | 151903 | 107796 | 77730 | 36388 | 13403 | 4653 | 1760 |
2011 | 183322 | 118777 | 70757 | 41731 | 18151 | 7443 | 3573 |
2012 | 208564 | 144640 | 77034 | 38561 | 22359 | 10361 | 6286 |
2013 | 254486 | 164884 | 92503 | 40135 | 19579 | 15054 | 11203 |