Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1971 | 121419 | 34892 | 15508 | 4287 | 1986 | 554 |
1972 | 8122 | 35454 | 18734 | 6491 | 1780 | 1072 |
1973 | 4493 | 7295 | 12545 | 8008 | 2830 | 1334 |
1974 | 33894 | 8692 | 9527 | 6206 | 2648 | 1009 |
1975 | 25952 | 23040 | 6229 | 5130 | 1574 | 1056 |
1976 | 15733 | 20860 | 15397 | 2850 | 1737 | 927 |
1977 | 2835 | 10329 | 13236 | 6714 | 825 | 926 |
1978 | 12140 | 9093 | 5534 | 4834 | 1704 | 489 |
1979 | 14234 | 12849 | 9499 | 1991 | 1761 | 618 |
1980 | 21831 | 8317 | 10122 | 5196 | 637 | 875 |
1981 | 16133 | 14107 | 5263 | 4765 | 1962 | 521 |
1982 | 16390 | 11750 | 6416 | 2267 | 1133 | 852 |
1983 | 13897 | 15747 | 6333 | 1813 | 435 | 547 |
1984 | 5096 | 12216 | 7444 | 2151 | 493 | 420 |
1985 | 4844 | 6458 | 7011 | 2323 | 484 | 194 |
1986 | 12939 | 4855 | 3472 | 1528 | 463 | 176 |
1987 | 2666 | 15919 | 3332 | 1025 | 340 | 124 |
1988 | 4886 | 2787 | 6257 | 1119 | 311 | 101 |
1989 | 2557 | 4821 | 2098 | 2104 | 323 | 157 |
1990 | 11829 | 2310 | 2142 | 729 | 558 | 84 |
1991 | 4477 | 12434 | 1856 | 652 | 203 | 130 |
1992 | 7925 | 3667 | 5021 | 370 | 122 | 49 |
1993 | 4996 | 6076 | 2113 | 1846 | 80 | 30 |
1994 | 6980 | 4640 | 4403 | 971 | 554 | 25 |
1995 | 15143 | 5266 | 2909 | 1677 | 368 | 162 |
1996 | 4220 | 13870 | 3039 | 1215 | 456 | 164 |
1997 | 13590 | 4649 | 9998 | 1137 | 297 | 157 |
1998 | 14384 | 13389 | 3043 | 2587 | 330 | 120 |
1999 | 13495 | 7997 | 5533 | 550 | 525 | 94 |
2000 | 4597 | 8597 | 3679 | 1328 | 154 | 148 |
2001 | 2920 | 2568 | 2664 | 696 | 256 | 80 |
2002 | 5057 | 1808 | 1051 | 672 | 178 | 93 |
2003 | 898 | 3932 | 757 | 258 | 182 | 58 |
2004 | 4663 | 923 | 1930 | 302 | 124 | 131 |
2005 | 1741 | 4691 | 335 | 559 | 97 | 63 |
2006 | 3679 | 1678 | 2013 | 153 | 182 | 72 |
2007 | 1195 | 1618 | 633 | 571 | 70 | 106 |
2008 | 727 | 368 | 283 | 154 | 126 | 55 |
2009 | 2532 | 194 | 98 | 118 | 64 | 48 |
2010 | 1362 | 1919 | 97 | 44 | 46 | 39 |
2011 | 1728 | 846 | 792 | 50 | 19 | 22 |
2012 | 3809 | 1133 | 335 | 473 | 32 | 17 |