Table 2. Estimated stock numbers. | ||||||||
Year\Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7+ |
1970 | 423793 | 229349 | 105873 | 18792 | 7041 | 2110 | 666 | 299 |
1971 | 486018 | 189283 | 111748 | 29555 | 4894 | 2297 | 841 | 390 |
1972 | 256017 | 225709 | 90400 | 31039 | 7798 | 1508 | 787 | 403 |
1973 | 449549 | 109316 | 113210 | 27502 | 7893 | 2214 | 416 | 339 |
1974 | 277618 | 211082 | 53798 | 34510 | 7238 | 2111 | 790 | 256 |
1975 | 263550 | 122516 | 113437 | 16060 | 8187 | 1676 | 619 | 319 |
1976 | 378511 | 116308 | 68803 | 37722 | 4033 | 2005 | 508 | 265 |
1977 | 283509 | 174905 | 63070 | 20490 | 8139 | 1042 | 525 | 216 |
1978 | 157157 | 129056 | 104820 | 19010 | 4554 | 1966 | 326 | 211 |
1979 | 312388 | 66836 | 76650 | 35846 | 5079 | 1381 | 790 | 215 |
1980 | 258332 | 145656 | 36534 | 30455 | 9805 | 1731 | 579 | 448 |
1981 | 269952 | 115036 | 88256 | 16308 | 7743 | 3057 | 682 | 383 |
1982 | 272938 | 121419 | 68665 | 31382 | 4102 | 2031 | 924 | 349 |
1983 | 115036 | 127262 | 67711 | 25084 | 8424 | 1501 | 691 | 416 |
1984 | 97149 | 50161 | 74459 | 21683 | 7331 | 2672 | 562 | 380 |
1985 | 186839 | 42193 | 27557 | 24860 | 6309 | 2407 | 925 | 316 |
1986 | 118895 | 87992 | 24077 | 11303 | 5646 | 1605 | 666 | 315 |
1987 | 48485 | 54448 | 58689 | 10951 | 2615 | 1154 | 349 | 222 |
1988 | 59397 | 20796 | 34926 | 24222 | 3433 | 695 | 362 | 186 |
1989 | 62318 | 26876 | 12552 | 14548 | 6618 | 1053 | 265 | 188 |
1990 | 100912 | 27474 | 17640 | 6427 | 3780 | 1742 | 371 | 155 |
1991 | 198988 | 44981 | 17922 | 7646 | 2048 | 894 | 513 | 157 |
1992 | 118302 | 94089 | 30516 | 8626 | 1799 | 517 | 289 | 218 |
1993 | 156217 | 51948 | 64991 | 15796 | 2353 | 546 | 217 | 181 |
1994 | 229120 | 70545 | 37722 | 33894 | 5666 | 671 | 219 | 165 |
1995 | 53263 | 109754 | 52680 | 18501 | 12352 | 2408 | 331 | 157 |
1996 | 195830 | 22539 | 76344 | 27474 | 6255 | 3993 | 885 | 168 |
1997 | 282377 | 91217 | 14105 | 36461 | 6825 | 1771 | 1207 | 343 |
1998 | 129056 | 128927 | 59814 | 7464 | 8142 | 1509 | 476 | 375 |
1999 | 136626 | 56162 | 81064 | 25034 | 2641 | 1960 | 527 | 284 |
2000 | 114348 | 61636 | 39301 | 33157 | 6716 | 762 | 560 | 238 |
2001 | 149343 | 51328 | 41028 | 16539 | 7882 | 1728 | 269 | 255 |
2002 | 63513 | 69286 | 31761 | 15777 | 3749 | 1671 | 552 | 169 |
2003 | 191952 | 26187 | 48146 | 13388 | 3887 | 923 | 491 | 216 |
2004 | 125618 | 90944 | 17769 | 21429 | 4269 | 1153 | 375 | 269 |
2005 | 93246 | 56387 | 68118 | 9424 | 6579 | 1232 | 378 | 193 |
2006 | 84373 | 41773 | 38638 | 36975 | 3781 | 1938 | 375 | 187 |
2007 | 68255 | 37911 | 32533 | 21833 | 14412 | 1973 | 815 | 237 |
2008 | 121055 | 29703 | 28567 | 21040 | 9264 | 5209 | 896 | 435 |
2009 | 83366 | 55826 | 23909 | 18684 | 10354 | 3810 | 1644 | 444 |
2010 | 94183 | 36827 | 45071 | 17897 | 9766 | 3760 | 1168 | 593 |
2011 | 76344 | 42066 | 28424 | 29115 | 10739 | 4175 | 1165 | 565 |
2012 | 119850 | 33725 | 32273 | 20713 | 17422 | 4757 | 1404 | 465 |
2013 | 119850 | 54776 | 25591 | 23156 | 11991 | 7441 | 1569 | 648 |