Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 403124 | 232582 | 69633 | 22292 | 4433 | 1780 | 169 |
1967 | 372503 | 284646 | 96664 | 25591 | 7235 | 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 | 727 |
1971 | 264607 | 169566 | 86163 | 34857 | 10454 | 2440 | 931 |
1972 | 317426 | 185350 | 81146 | 32403 | 9526 | 4230 | 1356 |
1973 | 408808 | 224134 | 86509 | 29614 | 9644 | 3598 | 2187 |
1974 | 429338 | 299240 | 111972 | 31761 | 8802 | 3679 | 2250 |
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 | 546342 | 212990 | 72258 | 22629 | 8774 | 3890 |
1980 | 465562 | 434956 | 327093 | 105768 | 32598 | 9580 | 5289 |
1981 | 632857 | 342491 | 252458 | 147414 | 40255 | 12952 | 5888 |
1982 | 629701 | 481663 | 210871 | 110194 | 51792 | 13316 | 6328 |
1983 | 449549 | 470711 | 290106 | 95511 | 38677 | 16521 | 6149 |
1984 | 310209 | 325787 | 277618 | 131268 | 34648 | 13969 | 8298 |
1985 | 257043 | 221018 | 173859 | 116192 | 44135 | 10957 | 7038 |
1986 | 266199 | 179333 | 117712 | 69217 | 41151 | 14413 | 5888 |
1987 | 302549 | 190804 | 97929 | 43565 | 20740 | 10004 | 4961 |
1988 | 205664 | 215993 | 100108 | 36901 | 13632 | 5770 | 4151 |
1989 | 122272 | 145656 | 103570 | 35031 | 12583 | 4444 | 3221 |
1990 | 99907 | 87204 | 64796 | 29762 | 9533 | 3949 | 2431 |
1991 | 89859 | 69494 | 38754 | 17129 | 6256 | 2552 | 1739 |
1992 | 135944 | 63577 | 27973 | 9778 | 3056 | 1308 | 888 |
1993 | 172819 | 100408 | 34787 | 10421 | 2657 | 784 | 559 |
1994 | 135944 | 129314 | 61329 | 18616 | 4299 | 1322 | 673 |
1995 | 119731 | 98716 | 73939 | 30669 | 7617 | 1916 | 907 |
1996 | 107581 | 87466 | 54448 | 32728 | 10662 | 2785 | 1007 |
1997 | 92503 | 78669 | 43608 | 20034 | 8217 | 4020 | 1464 |
1998 | 132588 | 68391 | 37835 | 15542 | 4527 | 2652 | 1777 |
1999 | 140365 | 98815 | 36498 | 14035 | 3641 | 1587 | 1561 |
2000 | 144929 | 102950 | 50767 | 13602 | 3538 | 1342 | 1177 |
2001 | 122516 | 102642 | 49415 | 15626 | 3421 | 1292 | 913 |
2002 | 119731 | 86855 | 46305 | 13512 | 3620 | 1236 | 802 |
2003 | 95035 | 84711 | 40946 | 13366 | 3053 | 1187 | 675 |
2004 | 98420 | 68528 | 39419 | 10922 | 3382 | 1048 | 640 |
2005 | 134726 | 71754 | 34338 | 11387 | 2364 | 749 | 376 |
2006 | 123130 | 100710 | 39027 | 11957 | 3039 | 686 | 330 |
2007 | 136626 | 92042 | 53423 | 15628 | 3563 | 942 | 317 |
2008 | 152818 | 104715 | 55826 | 21688 | 5622 | 1259 | 450 |
2009 | 138829 | 118895 | 66304 | 28198 | 9281 | 2649 | 799 |
2010 | 147709 | 107152 | 77653 | 36388 | 13409 | 4659 | 1763 |
2011 | 169566 | 115497 | 70757 | 41940 | 18191 | 7453 | 3581 |
2012 | 198988 | 132853 | 75584 | 39066 | 22539 | 10394 | 6304 |
2013 | 244997 | 157157 | 89143 | 41274 | 19984 | 15184 | 11247 |