Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1973 | 60295 | 28595 | 27038 | 16475 | 8084 | 3874 |
1974 | 92967 | 30638 | 14668 | 11573 | 5754 | 3595 |
1975 | 108228 | 48339 | 10389 | 4758 | 3744 | 1880 |
1976 | 37911 | 57989 | 10076 | 2319 | 1416 | 1631 |
1977 | 25874 | 20787 | 15414 | 3404 | 846 | 781 |
1978 | 121662 | 12891 | 7209 | 3283 | 1056 | 381 |
1979 | 31666 | 41689 | 5565 | 2301 | 1218 | 840 |
1980 | 16081 | 28254 | 25463 | 3293 | 989 | 583 |
1981 | 12155 | 10715 | 13320 | 7687 | 1569 | 515 |
1982 | 28453 | 37160 | 11405 | 5450 | 2419 | 440 |
1983 | 11138 | 21974 | 23017 | 4781 | 1302 | 761 |
1984 | 14203 | 4462 | 6543 | 6094 | 2611 | 957 |
1985 | 19831 | 10962 | 1912 | 1454 | 1279 | 377 |
1986 | 6429 | 15266 | 2740 | 721 | 636 | 442 |
1987 | 5072 | 4850 | 3891 | 1293 | 492 | 433 |
1988 | 6900 | 5485 | 2302 | 1179 | 690 | 235 |
1989 | 6151 | 9266 | 3447 | 1036 | 445 | 214 |
1990 | 6107 | 4978 | 10383 | 2165 | 588 | 199 |
1991 | 22994 | 2127 | 3174 | 4786 | 1074 | 257 |
1992 | 19467 | 19823 | 5708 | 2403 | 1574 | 225 |
1993 | 26796 | 6483 | 6708 | 3683 | 806 | 392 |
1994 | 7621 | 8438 | 8069 | 3546 | 1428 | 504 |
1995 | 6377 | 4773 | 6292 | 3414 | 1130 | 226 |
1996 | 8730 | 7510 | 9202 | 4876 | 1712 | 357 |
1997 | 15158 | 10839 | 10974 | 10363 | 3950 | 951 |
1998 | 34064 | 25185 | 12732 | 8707 | 6535 | 1634 |
1999 | 25387 | 40905 | 25900 | 9447 | 8404 | 3720 |
2000 | 33290 | 34926 | 28567 | 15140 | 7083 | 5635 |
2001 | 51741 | 33290 | 29407 | 13590 | 7605 | 5805 |
2002 | 49861 | 42362 | 20864 | 9293 | 5579 | 3392 |
2003 | 36425 | 44267 | 23671 | 9515 | 3327 | 3964 |
2004 | 21573 | 23435 | 18446 | 10053 | 5355 | 3530 |
2005 | 24465 | 23576 | 20583 | 7681 | 2445 | 1404 |
2006 | 65317 | 26689 | 15025 | 7201 | 2618 | 1166 |
2007 | 28085 | 56727 | 21960 | 7457 | 2315 | 945 |
2008 | 15553 | 29378 | 30915 | 9281 | 2332 | 504 |
2009 | 14619 | 16278 | 26823 | 15805 | 6474 | 1207 |
2010 | 4394 | 12460 | 16383 | 12029 | 6507 | 2485 |
2011 | 7716 | 8705 | 15559 | 11124 | 3979 | 1012 |
2012 | 8790 | 7853 | 10383 | 10323 | 4825 | 955 |
2013 | 8222 | 5736 | 4195 | 4053 | 2790 | 905 |
2014 | 4172 | 4662 | 3610 | 2862 | 1773 | 1030 |
2015 | 1213 | 2969 | 2747 | 1966 | 1619 | 711 |