Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 380789 | 231886 | 72403 | 21363 | 4431 | 1840 | 161 |
1967 | 369904 | 267266 | 94940 | 26318 | 6422 | 1063 | 482 |
1968 | 336381 | 257558 | 107474 | 33290 | 7740 | 1091 | 259 |
1969 | 298343 | 233515 | 106085 | 35846 | 8785 | 2023 | 352 |
1970 | 258074 | 205459 | 97831 | 37873 | 8904 | 2493 | 678 |
1971 | 269952 | 178439 | 89232 | 34961 | 10401 | 2640 | 943 |
1972 | 325787 | 189852 | 82372 | 32761 | 9739 | 3913 | 1343 |
1973 | 394747 | 231422 | 88965 | 30092 | 9677 | 3650 | 1998 |
1974 | 402721 | 288082 | 114119 | 33157 | 9123 | 3649 | 2145 |
1975 | 332036 | 299240 | 146532 | 45252 | 10991 | 3384 | 2161 |
1976 | 331042 | 245733 | 153277 | 59874 | 16360 | 4108 | 2083 |
1977 | 434521 | 250697 | 132986 | 62505 | 20808 | 5528 | 2103 |
1978 | 658685 | 334369 | 146825 | 58983 | 21871 | 6907 | 2528 |
1979 | 587717 | 504337 | 200186 | 70827 | 23179 | 8783 | 3805 |
1980 | 488942 | 438011 | 300139 | 96761 | 29852 | 9449 | 5108 |
1981 | 605010 | 361855 | 256017 | 137999 | 37571 | 11674 | 5677 |
1982 | 601391 | 456800 | 216642 | 113777 | 50564 | 12978 | 6029 |
1983 | 445076 | 447307 | 271848 | 97052 | 40619 | 16682 | 6224 |
1984 | 319656 | 322546 | 259886 | 121419 | 34787 | 14071 | 7984 |
1985 | 275957 | 228662 | 175782 | 109645 | 42108 | 11158 | 7074 |
1986 | 264342 | 194658 | 122516 | 69494 | 37647 | 13353 | 5784 |
1987 | 280688 | 189283 | 103985 | 45752 | 21532 | 10055 | 5118 |
1988 | 190422 | 199187 | 97831 | 38369 | 14175 | 6070 | 4275 |
1989 | 113664 | 134323 | 95894 | 33759 | 12123 | 4430 | 3228 |
1990 | 95607 | 80741 | 60597 | 28710 | 9149 | 3733 | 2365 |
1991 | 95225 | 66436 | 35954 | 16739 | 6378 | 2508 | 1684 |
1992 | 144495 | 67575 | 29437 | 10255 | 3286 | 1458 | 956 |
1993 | 175782 | 106511 | 36352 | 11199 | 2800 | 903 | 661 |
1994 | 145656 | 130223 | 62193 | 17869 | 4153 | 1205 | 673 |
1995 | 126500 | 105873 | 73571 | 30212 | 7068 | 1739 | 792 |
1996 | 109974 | 92134 | 57469 | 32370 | 10621 | 2631 | 933 |
1997 | 91400 | 79778 | 46911 | 21779 | 8574 | 3845 | 1302 |
1998 | 116425 | 66903 | 39340 | 17043 | 4837 | 2727 | 1643 |
1999 | 117477 | 84626 | 33356 | 13870 | 3605 | 1500 | 1362 |
2000 | 120331 | 83617 | 39262 | 10497 | 2719 | 1035 | 827 |
2001 | 102232 | 82125 | 34475 | 9302 | 1550 | 597 | 409 |
2002 | 104820 | 69286 | 30669 | 6261 | 1153 | 201 | 130 |
2003 | 61390 | 70827 | 24270 | 5967 | 1050 | 272 | 78 |
2004 | 58221 | 41689 | 24270 | 3759 | 1025 | 264 | 88 |
2005 | 100509 | 39379 | 14173 | 3598 | 525 | 210 | 72 |
2006 | 95511 | 68872 | 13215 | 2974 | 856 | 176 | 96 |
2007 | 95130 | 64731 | 24934 | 3316 | 730 | 302 | 94 |
2008 | 118658 | 64991 | 24934 | 6021 | 823 | 189 | 104 |
2009 | 112871 | 83868 | 24959 | 5662 | 1237 | 230 | 82 |
2010 | 130353 | 79618 | 33390 | 5343 | 1385 | 338 | 87 |
2011 | 131400 | 95035 | 31761 | 5965 | 899 | 267 | 82 |
2012 | 105662 | 96761 | 38871 | 6436 | 1420 | 270 | 106 |
2013 | 143487 | 77265 | 38832 | 6989 | 1288 | 356 | 94 |
2014 | 144495 | 108012 | 30152 | 6413 | 1218 | 337 | 117 |
2015 | 124742 | 109316 | 42916 | 4417 | 1083 | 298 | 111 |