Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 383464 | 223686 | 66503 | 20593 | 4517 | 1570 | 174 |
1967 | 370645 | 314897 | 96568 | 24294 | 6447 | 1671 | 732 |
1968 | 350810 | 257301 | 129962 | 36644 | 7547 | 1030 | 137 |
1969 | 329062 | 254995 | 97636 | 37647 | 9177 | 1972 | 350 |
1970 | 301040 | 214486 | 103363 | 36316 | 8525 | 2345 | 829 |
1971 | 311141 | 151600 | 80902 | 36791 | 9034 | 1871 | 795 |
1972 | 338744 | 211928 | 86595 | 32435 | 11062 | 3464 | 1185 |
1973 | 371016 | 207109 | 88610 | 32338 | 10778 | 2231 | 2654 |
1974 | 386157 | 293314 | 105451 | 31257 | 8901 | 2912 | 2516 |
1975 | 351864 | 412504 | 156530 | 40376 | 10549 | 2514 | 2175 |
1976 | 326440 | 226160 | 190804 | 73130 | 22834 | 3461 | 2366 |
1977 | 371387 | 182043 | 109754 | 67306 | 23156 | 5724 | 2457 |
1978 | 491885 | 303155 | 116658 | 47099 | 18505 | 5740 | 2012 |
1979 | 513497 | 563544 | 198789 | 59101 | 18598 | 8177 | 4236 |
1980 | 458172 | 448651 | 375495 | 122272 | 35561 | 9760 | 4349 |
1981 | 479261 | 246718 | 239426 | 155282 | 46351 | 13563 | 6142 |
1982 | 473544 | 478303 | 187400 | 102642 | 44623 | 13643 | 7815 |
1983 | 421679 | 419157 | 285786 | 88610 | 37496 | 16128 | 4615 |
1984 | 342148 | 356468 | 303458 | 149642 | 36498 | 12694 | 9493 |
1985 | 292436 | 226387 | 163081 | 110857 | 41815 | 10147 | 6629 |
1986 | 262761 | 150995 | 118539 | 73939 | 51534 | 14961 | 6371 |
1987 | 261450 | 184979 | 86595 | 41316 | 18966 | 9715 | 5137 |
1988 | 208355 | 243531 | 98420 | 32112 | 11810 | 5517 | 3773 |
1989 | 152207 | 162755 | 118184 | 38063 | 14461 | 4064 | 2828 |
1990 | 139804 | 89143 | 67037 | 31101 | 11230 | 3483 | 2696 |
1991 | 116774 | 99708 | 50161 | 19276 | 5954 | 2657 | 2400 |
1992 | 125367 | 49316 | 26503 | 9905 | 3045 | 1556 | 843 |
1993 | 141492 | 73057 | 22675 | 7199 | 2148 | 575 | 366 |
1994 | 139246 | 133519 | 58105 | 18775 | 4853 | 1060 | 687 |
1995 | 134726 | 85050 | 70615 | 29144 | 6754 | 1997 | 1252 |
1996 | 127644 | 93060 | 52575 | 32565 | 10635 | 2580 | 700 |
1997 | 117712 | 89859 | 41773 | 17677 | 7057 | 3014 | 1642 |
1998 | 133386 | 60295 | 33759 | 14042 | 3809 | 1867 | 1369 |
1999 | 142914 | 109754 | 34857 | 12641 | 3163 | 1077 | 1246 |
2000 | 162105 | 112984 | 59456 | 14961 | 3228 | 1001 | 1116 |
2001 | 169058 | 132986 | 61084 | 17074 | 3624 | 1144 | 697 |
2002 | 160813 | 107796 | 50564 | 15025 | 3338 | 1124 | 881 |
2003 | 159213 | 120813 | 54776 | 15173 | 3214 | 1009 | 686 |
2004 | 176663 | 110415 | 54612 | 16186 | 5132 | 1428 | 806 |
2005 | 189283 | 101620 | 51328 | 14983 | 3431 | 905 | 524 |
2006 | 176310 | 201189 | 64537 | 20690 | 5273 | 1128 | 611 |
2007 | 174730 | 116891 | 100811 | 33390 | 8700 | 2108 | 832 |
2008 | 166542 | 135944 | 87378 | 37835 | 11432 | 3105 | 1352 |
2009 | 153891 | 157472 | 94750 | 53263 | 21438 | 5490 | 1397 |
2010 | 136762 | 109864 | 124742 | 64473 | 25463 | 6680 | 2733 |
2011 | 131268 | 128027 | 98223 | 64280 | 30031 | 11415 | 5076 |
2012 | 125869 | 142629 | 123748 | 80741 | 34822 | 9769 | 5689 |
2013 | 132191 | 99310 | 99409 | 71898 | 48874 | 13544 | 4033 |
2014 | 134457 | 131926 | 76957 | 66436 | 49563 | 30761 | 13321 |