Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 390819 | 261189 | 68734 | 20634 | 4468 | 1554 | 172 |
1967 | 378890 | 298045 | 83533 | 20940 | 6868 | 1777 | 783 |
1968 | 362217 | 273211 | 126880 | 35383 | 7182 | 1004 | 134 |
1969 | 338405 | 271034 | 93807 | 38063 | 8728 | 1874 | 332 |
1970 | 309589 | 215993 | 97636 | 36134 | 8269 | 2263 | 798 |
1971 | 324487 | 159692 | 86163 | 39975 | 8561 | 1769 | 751 |
1972 | 354690 | 217728 | 89322 | 32794 | 10497 | 3265 | 1114 |
1973 | 392778 | 212990 | 92596 | 33390 | 10195 | 2106 | 2495 |
1974 | 407176 | 317426 | 110415 | 30730 | 8722 | 2840 | 2446 |
1975 | 345587 | 492870 | 168552 | 38754 | 10612 | 2532 | 2186 |
1976 | 303762 | 221239 | 196025 | 73571 | 24101 | 3680 | 2511 |
1977 | 360411 | 160332 | 108771 | 70404 | 25540 | 6352 | 2730 |
1978 | 507372 | 322546 | 127134 | 52261 | 18498 | 5761 | 2018 |
1979 | 520216 | 611090 | 205048 | 59814 | 19401 | 8471 | 4387 |
1980 | 441088 | 433653 | 383847 | 126121 | 36571 | 10051 | 4484 |
1981 | 470711 | 208147 | 239905 | 166209 | 50011 | 14669 | 6647 |
1982 | 477347 | 429338 | 177726 | 101417 | 47477 | 14513 | 8314 |
1983 | 427197 | 413329 | 282660 | 90853 | 38561 | 16686 | 4787 |
1984 | 341124 | 336718 | 288370 | 145219 | 36901 | 12846 | 9595 |
1985 | 285786 | 226613 | 163081 | 108989 | 43871 | 10681 | 6976 |
1986 | 261712 | 125869 | 111079 | 70969 | 55216 | 16144 | 6890 |
1987 | 273758 | 174556 | 84036 | 39340 | 19210 | 9937 | 5254 |
1988 | 214272 | 268337 | 102028 | 29971 | 11742 | 5507 | 3769 |
1989 | 148153 | 172646 | 125995 | 36975 | 14010 | 3962 | 2758 |
1990 | 135537 | 85991 | 69773 | 32016 | 10778 | 3349 | 2586 |
1991 | 112984 | 96182 | 49563 | 19191 | 5736 | 2544 | 2288 |
1992 | 134188 | 45661 | 25642 | 9937 | 3223 | 1641 | 893 |
1993 | 157787 | 99211 | 27337 | 9154 | 2357 | 641 | 405 |
1994 | 144351 | 153277 | 60355 | 21614 | 5046 | 1094 | 710 |
1995 | 130614 | 81308 | 68118 | 30915 | 7470 | 2194 | 1378 |
1996 | 114234 | 90581 | 51226 | 35383 | 10553 | 2585 | 699 |
1997 | 98125 | 78433 | 36938 | 17853 | 7237 | 3048 | 1669 |
1998 | 113323 | 46074 | 29941 | 14478 | 3953 | 1943 | 1427 |
1999 | 125618 | 85819 | 29673 | 12755 | 3085 | 1049 | 1213 |
2000 | 148301 | 95990 | 53637 | 14442 | 3027 | 935 | 1037 |
2001 | 154199 | 121783 | 60718 | 17166 | 3510 | 1110 | 674 |
2002 | 146532 | 95320 | 51124 | 15525 | 3521 | 1182 | 930 |
2003 | 141917 | 106938 | 57068 | 15128 | 3259 | 1022 | 697 |
2004 | 164062 | 77497 | 49267 | 15195 | 5570 | 1545 | 884 |
2005 | 199187 | 86077 | 50514 | 15341 | 3680 | 987 | 573 |
2006 | 207731 | 206076 | 62630 | 20084 | 5238 | 1129 | 611 |
2007 | 234451 | 151448 | 124492 | 34822 | 8641 | 2101 | 831 |
2008 | 238709 | 229808 | 127389 | 43478 | 11150 | 3060 | 1314 |
2009 | 218600 | 248948 | 116308 | 58513 | 22071 | 5654 | 1441 |
2010 | 197008 | 155593 | 150242 | 64667 | 25926 | 6839 | 2800 |
2011 | 201189 | 174556 | 90129 | 47382 | 26769 | 10229 | 4551 |
2012 | 207316 | 237518 | 128027 | 59160 | 22994 | 6543 | 3766 |
2013 | 215561 | 255250 | 154508 | 73939 | 29496 | 8271 | 2433 |
2014 | 215561 | 214272 | 204025 | 117125 | 49267 | 13300 | 7680 |