Table 2. Estimated stock numbers. | ||||||||
Year\Age | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10+ |
1960 | 139665 | 115728 | 109645 | 128798 | 22137 | 1718 | 943 | 1960 |
1961 | 167711 | 112084 | 93340 | 50615 | 35954 | 10755 | 856 | 1396 |
1962 | 273484 | 133386 | 91126 | 45388 | 11191 | 16261 | 4945 | 1043 |
1963 | 308353 | 231654 | 107796 | 39301 | 7753 | 4133 | 6174 | 2248 |
1964 | 303762 | 256017 | 191952 | 55381 | 9256 | 2301 | 1221 | 2535 |
1965 | 355756 | 244752 | 211293 | 80660 | 10462 | 2350 | 579 | 984 |
1966 | 393171 | 293021 | 192721 | 89501 | 13905 | 2953 | 667 | 450 |
1967 | 458630 | 320616 | 249696 | 103570 | 31666 | 5591 | 1192 | 460 |
1968 | 388870 | 387705 | 268069 | 143487 | 36827 | 15875 | 2800 | 885 |
1969 | 322546 | 319656 | 312388 | 130875 | 50818 | 15233 | 6764 | 1595 |
1970 | 247707 | 266465 | 264342 | 132058 | 39696 | 17655 | 5081 | 2953 |
1971 | 148747 | 207731 | 224358 | 97343 | 31603 | 13251 | 5832 | 2564 |
1972 | 110194 | 119372 | 169736 | 88699 | 24760 | 14118 | 6051 | 3877 |
1973 | 97831 | 88521 | 94183 | 64991 | 28595 | 13362 | 7767 | 5664 |
1974 | 108880 | 78198 | 70193 | 49119 | 24465 | 11131 | 5016 | 5170 |
1975 | 154972 | 87116 | 64408 | 45161 | 20794 | 13501 | 6255 | 5738 |
1976 | 134323 | 133252 | 71396 | 35811 | 19384 | 11218 | 7226 | 6680 |
1977 | 80741 | 114234 | 112758 | 37347 | 17076 | 8221 | 4913 | 6148 |
1978 | 43608 | 66769 | 94466 | 58983 | 17127 | 8178 | 3856 | 5431 |
1979 | 34752 | 34372 | 54176 | 56387 | 30212 | 8498 | 4057 | 4739 |
1980 | 37760 | 27474 | 27146 | 35990 | 32860 | 15300 | 4234 | 4404 |
1981 | 68941 | 29349 | 21144 | 19368 | 22971 | 17728 | 8253 | 4635 |
1982 | 141775 | 55826 | 23647 | 15289 | 12523 | 13229 | 10113 | 7442 |
1983 | 157629 | 123130 | 45936 | 16033 | 9029 | 7333 | 7843 | 10475 |
1984 | 140646 | 132058 | 103570 | 28739 | 8379 | 4693 | 3782 | 9798 |
1985 | 166875 | 112308 | 109426 | 62818 | 12550 | 3713 | 2059 | 6214 |
1986 | 164391 | 138968 | 88965 | 64861 | 27889 | 5722 | 1675 | 3833 |
1987 | 180052 | 133252 | 111413 | 49070 | 26556 | 12434 | 2520 | 2500 |
1988 | 184979 | 148301 | 107259 | 59874 | 18919 | 10646 | 5060 | 2039 |
1989 | 195634 | 151146 | 120572 | 55381 | 25034 | 8171 | 4576 | 3190 |
1990 | 203211 | 160813 | 119253 | 54448 | 23861 | 11282 | 3707 | 3531 |
1991 | 262498 | 164555 | 127516 | 60962 | 21416 | 9758 | 4546 | 2960 |
1992 | 259367 | 227294 | 118184 | 60114 | 25900 | 9573 | 4385 | 3435 |
1993 | 422101 | 224808 | 159213 | 48825 | 20775 | 9294 | 3461 | 2850 |
1994 | 508388 | 321579 | 129314 | 42531 | 5511 | 4803 | 2147 | 1464 |
1995 | 433220 | 401515 | 207939 | 28453 | 7204 | 1218 | 1114 | 826 |
1996 | 283793 | 312700 | 219257 | 25514 | 5557 | 1597 | 270 | 430 |
1997 | 269682 | 196418 | 119014 | 9771 | 2859 | 1332 | 373 | 166 |
1998 | 204230 | 174381 | 47335 | 4435 | 1319 | 1030 | 480 | 194 |
1999 | 93995 | 130092 | 44267 | 2426 | 266 | 552 | 431 | 282 |
2000 | 67778 | 62007 | 40741 | 2994 | 306 | 135 | 281 | 363 |
2001 | 89501 | 54068 | 33557 | 6392 | 775 | 166 | 73 | 349 |
2002 | 99111 | 72186 | 31163 | 4626 | 2142 | 438 | 94 | 238 |
2003 | 140225 | 78276 | 40782 | 8463 | 1259 | 1278 | 254 | 192 |
2004 | 166708 | 105662 | 33523 | 8372 | 1729 | 504 | 512 | 179 |
2005 | 168721 | 128156 | 54612 | 5629 | 2493 | 716 | 214 | 290 |
2006 | 179333 | 136080 | 66903 | 12098 | 2163 | 1029 | 296 | 210 |
2007 | 156217 | 139386 | 70545 | 10309 | 3243 | 599 | 285 | 140 |
2008 | 188339 | 122884 | 71396 | 9395 | 2352 | 788 | 147 | 104 |
2009 | 222126 | 149194 | 66503 | 15167 | 2685 | 992 | 328 | 105 |
2010 | 284077 | 181680 | 94845 | 7366 | 2914 | 934 | 345 | 151 |
2011 | 294196 | 232815 | 115613 | 15780 | 1097 | 1137 | 364 | 193 |
2012 | 353274 | 237994 | 151297 | 12944 | 3125 | 458 | 475 | 232 |
2013 | 326440 | 291268 | 158419 | 15782 | 624 | 1239 | 182 | 281 |
2014 | 274032 | 264078 | 200386 | 21612 | 1657 | 271 | 543 | 202 |
2015 | 236097 | 216209 | 175782 | 20846 | 2570 | 437 | 73 | 203 |
2016 | 264342 | 194464 | 158261 | 19942 | 4510 | 1062 | 180 | 114 |