Table 2. Estimated stock numbers. | |||||||||||
Year\Age | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15+ |
1964 | 41233 | 33860 | 27065 | 22880 | 13690 | 7713 | 3637 | 1994 | 765 | 330 | 96 |
1965 | 41606 | 35031 | 28001 | 21284 | 15280 | 7649 | 3279 | 1450 | 687 | 306 | 54 |
1966 | 42404 | 35490 | 29202 | 22449 | 14772 | 8920 | 3474 | 1318 | 439 | 262 | 33 |
1967 | 44936 | 36134 | 29971 | 23909 | 16376 | 8855 | 4798 | 1594 | 422 | 154 | 24 |
1968 | 46630 | 38832 | 30699 | 25059 | 18039 | 10417 | 4947 | 2371 | 621 | 152 | 20 |
1969 | 45388 | 40864 | 33557 | 25874 | 18985 | 11613 | 5899 | 2334 | 1169 | 330 | 63 |
1970 | 38446 | 39105 | 34303 | 26849 | 17755 | 12091 | 6323 | 2936 | 1149 | 677 | 170 |
1971 | 31793 | 32728 | 31729 | 24125 | 15327 | 10156 | 6500 | 3270 | 1414 | 508 | 204 |
1972 | 29852 | 27011 | 25185 | 19632 | 12891 | 8892 | 5687 | 3577 | 1539 | 525 | 199 |
1973 | 26689 | 25135 | 20605 | 14231 | 10937 | 8066 | 5593 | 3391 | 1876 | 650 | 287 |
1974 | 24637 | 22697 | 19899 | 12368 | 7941 | 6884 | 5079 | 3370 | 1817 | 899 | 400 |
1975 | 22337 | 20554 | 17471 | 11689 | 6818 | 4792 | 4170 | 2916 | 1727 | 852 | 503 |
1976 | 21028 | 18317 | 15360 | 9717 | 6345 | 3831 | 2693 | 2178 | 1309 | 695 | 426 |
1977 | 20207 | 17153 | 13022 | 8218 | 4925 | 3392 | 2118 | 1341 | 860 | 479 | 276 |
1978 | 19283 | 15956 | 11926 | 6954 | 4522 | 2755 | 1939 | 968 | 492 | 257 | 186 |
1979 | 18312 | 15051 | 10842 | 6732 | 3958 | 2725 | 1654 | 957 | 415 | 148 | 133 |
1980 | 17434 | 14177 | 10519 | 6651 | 4341 | 2671 | 1871 | 984 | 509 | 185 | 112 |
1981 | 17680 | 13827 | 10557 | 7066 | 4418 | 2947 | 1821 | 1136 | 555 | 215 | 94 |
1982 | 17455 | 13880 | 10155 | 7303 | 4940 | 3084 | 1969 | 1076 | 628 | 217 | 91 |
1983 | 17476 | 13735 | 10289 | 7135 | 4996 | 3199 | 1791 | 1069 | 540 | 275 | 102 |
1984 | 17452 | 13775 | 9835 | 6979 | 4488 | 3155 | 1736 | 924 | 518 | 247 | 118 |
1985 | 18061 | 13904 | 9176 | 5993 | 4349 | 2829 | 1683 | 913 | 450 | 256 | 117 |
1986 | 18387 | 14432 | 9243 | 5352 | 3599 | 2770 | 1485 | 901 | 447 | 212 | 112 |
1987 | 18277 | 14560 | 9621 | 5291 | 3072 | 2144 | 1491 | 809 | 446 | 180 | 21 |
1988 | 17903 | 14581 | 9776 | 5352 | 2941 | 1811 | 1084 | 875 | 450 | 212 | 56 |
1989 | 16721 | 14423 | 9854 | 5458 | 2902 | 1628 | 912 | 571 | 490 | 254 | 73 |
1990 | 15237 | 12809 | 9261 | 5384 | 3080 | 1676 | 930 | 508 | 296 | 300 | 130 |
1991 | 14459 | 11195 | 7564 | 4746 | 3003 | 1790 | 893 | 503 | 185 | 177 | 198 |
1992 | 14295 | 10392 | 6789 | 3542 | 2561 | 1898 | 772 | 379 | 126 | 66 | 60 |
1993 | 14544 | 10812 | 7194 | 3936 | 2027 | 1860 | 953 | 380 | 123 | 44 | 2 |
1994 | 15687 | 11304 | 7903 | 4221 | 2258 | 1542 | 929 | 451 | 136 | 53 | 7 |
1995 | 16155 | 12890 | 8646 | 4917 | 2542 | 1660 | 740 | 420 | 133 | 46 | 11 |
1996 | 16391 | 13278 | 10185 | 5416 | 3062 | 1835 | 661 | 284 | 113 | 40 | 2 |
1997 | 16327 | 13474 | 10187 | 6473 | 3404 | 2290 | 710 | 281 | 91 | 60 | 5 |
1998 | 16521 | 13820 | 10672 | 6815 | 4480 | 2537 | 932 | 363 | 97 | 57 | 20 |
1999 | 16442 | 13958 | 11025 | 7198 | 4656 | 3359 | 1110 | 524 | 155 | 62 | 25 |
2000 | 17482 | 13680 | 10922 | 7353 | 4955 | 3391 | 1495 | 636 | 215 | 89 | 35 |
2001 | 18148 | 14753 | 10852 | 7573 | 5195 | 3625 | 1718 | 877 | 297 | 128 | 55 |
2002 | 18909 | 15123 | 11588 | 7439 | 5447 | 3833 | 2050 | 1032 | 455 | 175 | 98 |
2003 | 19742 | 16010 | 11978 | 8227 | 5392 | 4067 | 2328 | 1276 | 606 | 290 | 145 |
2004 | 20752 | 16609 | 12862 | 8462 | 6061 | 3949 | 2590 | 1521 | 771 | 419 | 260 |
2005 | 23671 | 17384 | 13304 | 9176 | 6038 | 4361 | 2622 | 1709 | 892 | 492 | 388 |
2006 | 26742 | 20068 | 13895 | 9611 | 6494 | 4362 | 2986 | 1788 | 1036 | 526 | 437 |
2007 | 29822 | 22494 | 16120 | 9998 | 6843 | 4762 | 3190 | 2129 | 1157 | 633 | 534 |
2008 | 32696 | 25009 | 18179 | 12091 | 7339 | 5217 | 3676 | 2343 | 1424 | 761 | 691 |
2009 | 36607 | 27778 | 20814 | 14321 | 9051 | 5544 | 4174 | 2768 | 1613 | 914 | 914 |
2010 | 35990 | 31288 | 23040 | 16825 | 10836 | 7005 | 4441 | 3158 | 1984 | 1051 | 1288 |
2011 | 34201 | 30792 | 26397 | 18834 | 13123 | 8452 | 5607 | 3401 | 2196 | 1313 | 1612 |
2012 | 31666 | 29028 | 25797 | 21573 | 14472 | 10277 | 6639 | 4270 | 2389 | 1503 | 2047 |