Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1971 | 23435 | 32991 | 15131 | 4212 | 1983 | 561 |
1972 | 9955 | 17254 | 17751 | 6289 | 1761 | 1107 |
1973 | 18191 | 7457 | 8887 | 7671 | 2806 | 1411 |
1974 | 24416 | 15750 | 9832 | 5339 | 2495 | 1015 |
1975 | 23742 | 20135 | 7880 | 5174 | 1426 | 991 |
1976 | 12310 | 20382 | 14778 | 3140 | 1779 | 849 |
1977 | 22994 | 9522 | 13187 | 6652 | 870 | 889 |
1978 | 18609 | 22270 | 5364 | 4733 | 1673 | 470 |
1979 | 9467 | 15548 | 13986 | 1945 | 1725 | 589 |
1980 | 16108 | 7000 | 11153 | 6102 | 618 | 831 |
1981 | 15421 | 12936 | 4925 | 5012 | 2124 | 471 |
1982 | 19419 | 12504 | 6424 | 2191 | 1168 | 782 |
1983 | 16427 | 16732 | 7631 | 1946 | 415 | 462 |
1984 | 10281 | 14246 | 8678 | 2500 | 467 | 239 |
1985 | 7195 | 8863 | 8498 | 2770 | 591 | 159 |
1986 | 18847 | 5928 | 4520 | 2067 | 559 | 184 |
1987 | 4791 | 16541 | 3618 | 1263 | 443 | 161 |
1988 | 7933 | 3869 | 6127 | 1040 | 280 | 110 |
1989 | 3545 | 6503 | 2412 | 1946 | 264 | 117 |
1990 | 14057 | 2794 | 2571 | 705 | 472 | 81 |
1991 | 5540 | 12382 | 1353 | 588 | 149 | 114 |
1992 | 9833 | 5006 | 5922 | 292 | 100 | 43 |
1993 | 5800 | 8565 | 2652 | 2019 | 62 | 32 |
1994 | 7833 | 5003 | 5624 | 1152 | 596 | 24 |
1995 | 14324 | 6153 | 3496 | 2047 | 406 | 206 |
1996 | 4073 | 11795 | 3940 | 1296 | 502 | 157 |
1997 | 10240 | 3360 | 9275 | 1441 | 352 | 173 |
1998 | 8848 | 9575 | 2342 | 2795 | 370 | 120 |
1999 | 9310 | 6916 | 5586 | 651 | 584 | 107 |
2000 | 3734 | 6352 | 3662 | 1433 | 162 | 151 |
2001 | 2116 | 2702 | 2937 | 874 | 278 | 69 |
2002 | 5198 | 1898 | 1308 | 739 | 162 | 72 |
2003 | 1266 | 4389 | 1290 | 442 | 205 | 52 |
2004 | 6029 | 1047 | 2421 | 477 | 154 | 98 |
2005 | 2161 | 5358 | 649 | 876 | 133 | 69 |
2006 | 2516 | 1798 | 3095 | 241 | 259 | 68 |
2007 | 975 | 1401 | 863 | 863 | 78 | 115 |
2008 | 674 | 557 | 568 | 252 | 172 | 45 |
2009 | 2701 | 447 | 250 | 194 | 67 | 41 |
2010 | 1473 | 2393 | 277 | 91 | 54 | 29 |
2011 | 1670 | 1233 | 1338 | 126 | 24 | 22 |
2012 | 2703 | 1297 | 632 | 497 | 56 | 10 |
2013 | 4144 | 2022 | 858 | 234 | 113 | 24 |
2014 | 1757 | 3849 | 1279 | 337 | 61 | 35 |