Table 2. Estimated stock numbers. | ||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 668639 | 411268 | 232582 | 69564 | 22337 | 4432 | 1778 | 169 |
1967 | 619086 | 367692 | 289816 | 96664 | 25566 | 7270 | 1198 | 531 |
1968 | 532853 | 340783 | 256530 | 114691 | 34098 | 7799 | 978 | 225 |
1969 | 451351 | 292728 | 236807 | 103881 | 36534 | 8754 | 2165 | 335 |
1970 | 482145 | 245733 | 200186 | 97343 | 37684 | 8557 | 2517 | 729 |
1971 | 577810 | 263814 | 168384 | 86077 | 34892 | 10424 | 2439 | 930 |
1972 | 741181 | 316475 | 184795 | 80902 | 32435 | 9524 | 4231 | 1360 |
1973 | 761465 | 409626 | 223463 | 86250 | 29555 | 9652 | 3597 | 2191 |
1974 | 466028 | 425066 | 299839 | 111748 | 31666 | 8782 | 3683 | 2252 |
1975 | 480220 | 330050 | 317426 | 152970 | 44936 | 10735 | 3262 | 2231 |
1976 | 688314 | 314268 | 239666 | 157000 | 63259 | 17578 | 4136 | 2145 |
1977 | 1084902 | 452707 | 236334 | 127389 | 61513 | 21655 | 5675 | 2057 |
1978 | 915293 | 733806 | 347319 | 142771 | 56557 | 20382 | 6650 | 2365 |
1979 | 770658 | 599589 | 556265 | 212777 | 71826 | 22902 | 8716 | 3897 |
1980 | 1141667 | 461852 | 437574 | 332036 | 105873 | 32533 | 9694 | 5270 |
1981 | 1341099 | 658026 | 340102 | 253470 | 149044 | 40215 | 12930 | 5929 |
1982 | 965113 | 631593 | 490902 | 209819 | 110415 | 52052 | 13294 | 6330 |
1983 | 604405 | 454976 | 463240 | 294785 | 95130 | 38677 | 16576 | 6127 |
1984 | 518140 | 327420 | 321258 | 274032 | 133119 | 34579 | 13989 | 8324 |
1985 | 478782 | 251702 | 224134 | 171613 | 115266 | 44534 | 10919 | 7046 |
1986 | 499818 | 268874 | 174207 | 119014 | 68597 | 40987 | 14541 | 5885 |
1987 | 309589 | 312700 | 191377 | 95703 | 43915 | 20603 | 9947 | 4979 |
1988 | 183689 | 214486 | 219038 | 100308 | 36316 | 13716 | 5742 | 4146 |
1989 | 154353 | 123995 | 149044 | 104715 | 35137 | 12481 | 4476 | 3216 |
1990 | 129832 | 98913 | 87466 | 66039 | 29971 | 9558 | 3926 | 2445 |
1991 | 177549 | 88876 | 68872 | 38988 | 17377 | 6274 | 2560 | 1739 |
1992 | 222348 | 135808 | 62818 | 27806 | 9804 | 3066 | 1308 | 887 |
1993 | 175431 | 177017 | 100308 | 34614 | 10398 | 2659 | 785 | 557 |
1994 | 157157 | 137861 | 132058 | 61513 | 18641 | 4313 | 1329 | 676 |
1995 | 142771 | 122027 | 99907 | 75508 | 30853 | 7643 | 1924 | 913 |
1996 | 120813 | 110084 | 88965 | 55160 | 33356 | 10706 | 2787 | 1010 |
1997 | 174905 | 91583 | 80258 | 44356 | 20242 | 8258 | 4038 | 1467 |
1998 | 188339 | 132455 | 67982 | 38523 | 15771 | 4499 | 2653 | 1776 |
1999 | 190804 | 139246 | 98617 | 36534 | 14280 | 3642 | 1569 | 1555 |
2000 | 171099 | 141068 | 101519 | 50716 | 13746 | 3555 | 1337 | 1165 |
2001 | 164884 | 124617 | 99409 | 48436 | 15409 | 3425 | 1294 | 904 |
2002 | 132986 | 129185 | 87553 | 44534 | 12938 | 3434 | 1232 | 798 |
2003 | 128927 | 95990 | 90400 | 41357 | 13006 | 3019 | 1133 | 675 |
2004 | 184241 | 97929 | 69079 | 41856 | 11147 | 3380 | 1044 | 625 |
2005 | 162592 | 142486 | 71396 | 34822 | 11577 | 2382 | 750 | 373 |
2006 | 178082 | 123995 | 105556 | 39144 | 12092 | 2991 | 694 | 330 |
2007 | 206282 | 134054 | 92134 | 55271 | 15575 | 3575 | 933 | 321 |
2008 | 190422 | 155905 | 102744 | 55715 | 21709 | 5430 | 1272 | 451 |
2009 | 214272 | 140225 | 120934 | 65121 | 28085 | 9169 | 2577 | 809 |
2010 | 241108 | 154972 | 108012 | 78905 | 35703 | 13368 | 4610 | 1732 |
2011 | 259886 | 169228 | 121297 | 71611 | 42787 | 17835 | 7419 | 3532 |
2012 | 301643 | 171099 | 132986 | 79221 | 39935 | 23225 | 10171 | 6235 |
2013 | 283509 | 199586 | 133920 | 84288 | 42319 | 20756 | 15657 | 11059 |