Table 2. Estimated stock numbers. | ||||||||
Year\Age | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10+ |
1955 | 141492 | 59219 | 248948 | 100912 | 48728 | 196025 | 11988 | 69217 |
1956 | 288082 | 130875 | 63704 | 208981 | 74907 | 31666 | 110415 | 44489 |
1957 | 130483 | 336718 | 102847 | 51534 | 138690 | 45936 | 18592 | 85648 |
1958 | 118895 | 59516 | 259367 | 67846 | 37272 | 83200 | 21517 | 63640 |
1959 | 355400 | 110636 | 55994 | 195243 | 40135 | 20881 | 41815 | 43131 |
1960 | 405550 | 282660 | 85905 | 39105 | 118777 | 22584 | 11217 | 50564 |
1961 | 243775 | 429338 | 265667 | 57699 | 25210 | 71539 | 11535 | 35031 |
1962 | 108880 | 215346 | 344552 | 193300 | 34098 | 13874 | 37459 | 23909 |
1963 | 261450 | 73057 | 160492 | 216858 | 104715 | 16076 | 6222 | 30333 |
1964 | 1187072 | 284930 | 58865 | 98223 | 109974 | 46911 | 7426 | 17854 |
1965 | 459089 | 870654 | 246471 | 38063 | 49316 | 50413 | 19199 | 11398 |
1966 | 336718 | 288082 | 576655 | 144495 | 19583 | 21028 | 20644 | 11801 |
1967 | 68255 | 255761 | 200988 | 314897 | 74087 | 8881 | 7760 | 14525 |
1968 | 20092 | 52418 | 199985 | 119253 | 141775 | 29202 | 3756 | 9771 |
1969 | 35242 | 20211 | 41606 | 118066 | 55770 | 53210 | 10123 | 5003 |
1970 | 7879 | 29941 | 17851 | 28825 | 64991 | 22382 | 17271 | 6012 |
1971 | 31984 | 8053 | 22765 | 11053 | 19561 | 34166 | 9353 | 9348 |
1972 | 5606 | 29115 | 7555 | 14210 | 5824 | 8837 | 13772 | 7530 |
1973 | 6815 | 4113 | 34201 | 6238 | 6193 | 2085 | 3107 | 5749 |
1974 | 4876 | 4682 | 2435 | 17774 | 3473 | 2375 | 1190 | 3408 |
1975 | 50514 | 5007 | 4524 | 1485 | 8399 | 1163 | 614 | 969 |
1976 | 206489 | 31666 | 3178 | 2134 | 641 | 2249 | 277 | 416 |
1977 | 18676 | 136080 | 16939 | 1646 | 861 | 191 | 420 | 192 |
1978 | 5635 | 13592 | 75963 | 7659 | 767 | 240 | 47 | 126 |
1979 | 4520 | 3601 | 6680 | 39975 | 3865 | 378 | 88 | 40 |
1980 | 49070 | 7441 | 4690 | 3900 | 24563 | 1609 | 164 | 42 |
1981 | 11034 | 39975 | 7312 | 3801 | 2261 | 9199 | 532 | 82 |
1982 | 37798 | 9168 | 26635 | 5341 | 2759 | 1154 | 2357 | 277 |
1983 | 601 | 28170 | 5505 | 14644 | 2523 | 1096 | 332 | 635 |
1984 | 4670 | 1293 | 14250 | 2041 | 5355 | 625 | 356 | 214 |
1985 | 1434 | 3050 | 1163 | 6136 | 756 | 2161 | 181 | 193 |
1986 | 8021 | 1008 | 3515 | 999 | 3560 | 316 | 977 | 113 |
1987 | 106298 | 8494 | 907 | 2577 | 682 | 2181 | 194 | 809 |
1988 | 54940 | 133653 | 4234 | 576 | 2063 | 543 | 1473 | 547 |
1989 | 2571 | 51586 | 102539 | 2003 | 264 | 959 | 234 | 890 |
1990 | 1477 | 1301 | 27889 | 38523 | 515 | 98 | 229 | 285 |
1991 | 760 | 1078 | 542 | 6620 | 7432 | 106 | 23 | 68 |
1992 | 311 | 345 | 425 | 173 | 1307 | 709 | 22 | 17 |
1993 | 849 | 222 | 167 | 166 | 52 | 116 | 74 | 10 |
1994 | 270 | 413 | 118 | 60 | 78 | 17 | 25 | 44 |
1995 | 315 | 204 | 249 | 62 | 30 | 42 | 8 | 45 |
1996 | 656 | 256 | 152 | 109 | 33 | 19 | 17 | 25 |
1997 | 102 | 510 | 259 | 114 | 54 | 23 | 10 | 18 |
1998 | 88 | 83 | 244 | 156 | 81 | 27 | 12 | 16 |
1999 | 542 | 88 | 92 | 91 | 80 | 57 | 15 | 16 |
2000 | 1346 | 485 | 96 | 77 | 45 | 49 | 40 | 19 |
2001 | 1627 | 1056 | 415 | 114 | 55 | 29 | 28 | 30 |
2002 | 2801 | 1238 | 838 | 375 | 138 | 51 | 24 | 30 |
2003 | 1420 | 2077 | 965 | 624 | 269 | 113 | 39 | 29 |
2004 | 1190 | 1183 | 1667 | 640 | 382 | 141 | 67 | 42 |
2005 | 11233 | 1047 | 1229 | 1184 | 361 | 174 | 54 | 57 |
2006 | 65578 | 8940 | 879 | 961 | 820 | 190 | 105 | 45 |
2007 | 10577 | 46583 | 6447 | 598 | 636 | 545 | 124 | 118 |
2008 | 18622 | 8381 | 28453 | 3837 | 402 | 446 | 360 | 212 |
2009 | 3753 | 7942 | 4275 | 10400 | 1835 | 189 | 237 | 250 |
2010 | 10446 | 2347 | 3566 | 1998 | 4115 | 942 | 174 | 377 |
2011 | 17347 | 9597 | 2374 | 2258 | 1268 | 1892 | 500 | 459 |
2012 | 53906 | 13794 | 7102 | 1814 | 1378 | 865 | 807 | 293 |
2013 | 27065 | 37309 | 9295 | 4143 | 1201 | 745 | 520 | 542 |
2014 | 10830 | 24343 | 27447 | 5758 | 2262 | 838 | 498 | 628 |
2015 | 28595 | 11881 | 24662 | 17506 | 3562 | 1261 | 526 | 696 |