Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1950 | 297450 | 186093 | 68460 | 37086 | 7001 | 1184 | 1032 |
1951 | 275957 | 215993 | 97149 | 25489 | 10802 | 1825 | 90 |
1952 | 244507 | 201995 | 115497 | 34822 | 7809 | 2295 | 81 |
1953 | 213844 | 174381 | 106511 | 40015 | 10559 | 2294 | 218 |
1954 | 229120 | 156530 | 97636 | 37873 | 13333 | 3067 | 350 |
1955 | 282377 | 169566 | 90672 | 34926 | 12165 | 4005 | 607 |
1956 | 275957 | 207939 | 95511 | 37534 | 12183 | 3342 | 983 |
1957 | 220136 | 200386 | 112420 | 37496 | 11987 | 2937 | 748 |
1958 | 201793 | 154817 | 102130 | 40255 | 10138 | 3056 | 739 |
1959 | 245733 | 147709 | 82868 | 36607 | 9246 | 2134 | 695 |
1960 | 228891 | 172646 | 82290 | 31320 | 7542 | 1573 | 552 |
1961 | 229578 | 150091 | 86163 | 32500 | 7081 | 1362 | 341 |
1962 | 202805 | 154199 | 74533 | 33860 | 8981 | 1473 | 363 |
1963 | 200186 | 134188 | 74310 | 28226 | 8649 | 2471 | 481 |
1964 | 213844 | 135944 | 60355 | 27973 | 6060 | 1751 | 834 |
1965 | 283793 | 152207 | 64280 | 21290 | 7228 | 859 | 481 |
1966 | 364397 | 207731 | 71254 | 21950 | 5049 | 1617 | 218 |
1967 | 370275 | 261974 | 92319 | 26004 | 6022 | 1191 | 429 |
1968 | 339083 | 258590 | 108771 | 33090 | 7691 | 1265 | 205 |
1969 | 304066 | 235155 | 107045 | 36098 | 8817 | 2054 | 379 |
1970 | 256786 | 205870 | 98322 | 38949 | 8957 | 2443 | 771 |
1971 | 266999 | 175080 | 89143 | 35632 | 11076 | 2662 | 1078 |
1972 | 329062 | 186839 | 82454 | 33390 | 10167 | 4039 | 1600 |
1973 | 401515 | 230499 | 87641 | 30273 | 10170 | 3332 | 2564 |
1974 | 414157 | 292728 | 114462 | 32598 | 9291 | 3402 | 2623 |
1975 | 333701 | 309589 | 148896 | 45707 | 11138 | 3140 | 2555 |
1976 | 316475 | 245979 | 155438 | 61084 | 17347 | 3772 | 2414 |
1977 | 414571 | 242559 | 131663 | 62007 | 21032 | 5305 | 2347 |
1978 | 686938 | 327093 | 144495 | 58396 | 21095 | 6753 | 2657 |
1979 | 611702 | 529136 | 199586 | 71611 | 23365 | 8174 | 3959 |
1980 | 477825 | 450900 | 316159 | 98716 | 31508 | 9730 | 4821 |
1981 | 598391 | 353274 | 262236 | 143631 | 38254 | 12225 | 5652 |
1982 | 610480 | 458630 | 214915 | 114806 | 51175 | 12995 | 6225 |
1983 | 453613 | 456343 | 276509 | 96858 | 40376 | 17767 | 5921 |
1984 | 317109 | 326440 | 267533 | 125242 | 34961 | 13524 | 8520 |
1985 | 275406 | 225032 | 175782 | 112758 | 43131 | 11007 | 7204 |
1986 | 257301 | 190422 | 120211 | 69564 | 39340 | 13298 | 5943 |
1987 | 300439 | 185907 | 102950 | 44712 | 21140 | 10102 | 5285 |
1988 | 203211 | 210029 | 97343 | 38369 | 14033 | 5957 | 4369 |
1989 | 116425 | 142344 | 100408 | 34098 | 12730 | 4316 | 3291 |
1990 | 107366 | 84036 | 63386 | 28710 | 9324 | 3580 | 2507 |
1991 | 91491 | 73424 | 37571 | 16579 | 5873 | 2319 | 1785 |
1992 | 129832 | 65317 | 30822 | 9966 | 2991 | 1423 | 921 |
1993 | 165049 | 96858 | 35454 | 11295 | 2674 | 848 | 649 |
1994 | 138552 | 123748 | 58279 | 18086 | 4395 | 1101 | 702 |
1995 | 122762 | 100308 | 70474 | 28854 | 7258 | 1796 | 808 |
1996 | 111413 | 89411 | 54285 | 30884 | 10286 | 2921 | 929 |
1997 | 89411 | 81064 | 44623 | 19722 | 8159 | 3744 | 1537 |
1998 | 131006 | 67508 | 39105 | 15489 | 4366 | 2658 | 1910 |
1999 | 135537 | 98125 | 35703 | 13820 | 3557 | 1397 | 1743 |
2000 | 155593 | 99708 | 50413 | 12909 | 3327 | 1205 | 1242 |
2001 | 133386 | 108880 | 48485 | 15780 | 3132 | 1140 | 935 |
2002 | 118302 | 93153 | 50463 | 14064 | 3652 | 1043 | 789 |
2003 | 104820 | 84204 | 44356 | 15102 | 3244 | 1209 | 642 |
2004 | 111302 | 74832 | 40619 | 12404 | 3672 | 1106 | 677 |
2005 | 150392 | 81961 | 38793 | 12837 | 2770 | 1018 | 580 |
2006 | 153737 | 113210 | 46864 | 14912 | 3775 | 947 | 672 |
2007 | 165545 | 115844 | 65186 | 21498 | 5420 | 1574 | 804 |
2008 | 171957 | 128669 | 73644 | 31257 | 9747 | 2741 | 1379 |
2009 | 175958 | 134323 | 85136 | 41274 | 16270 | 5854 | 2703 |
2010 | 187775 | 137448 | 89859 | 50615 | 23318 | 9990 | 5985 |
2011 | 233982 | 148747 | 94656 | 52261 | 29525 | 15111 | 11498 |