Table 2. Estimated stock numbers. | |||||||||||
Year\Age | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15+ |
1964 | 40579 | 33962 | 27146 | 23017 | 13611 | 7488 | 3554 | 1996 | 764 | 334 | 95 |
1965 | 40701 | 34510 | 28170 | 21465 | 15586 | 7699 | 3239 | 1410 | 673 | 301 | 53 |
1966 | 41192 | 34718 | 28796 | 22584 | 14950 | 9133 | 3554 | 1306 | 430 | 254 | 33 |
1967 | 43391 | 35102 | 29290 | 23529 | 16381 | 8970 | 4846 | 1614 | 423 | 153 | 24 |
1968 | 44891 | 37421 | 29762 | 24367 | 17539 | 10326 | 4942 | 2365 | 631 | 157 | 20 |
1969 | 43783 | 39262 | 32177 | 24860 | 18184 | 11210 | 5793 | 2350 | 1132 | 323 | 57 |
1970 | 37609 | 37760 | 32925 | 25591 | 17021 | 11548 | 6163 | 2893 | 1136 | 624 | 150 |
1971 | 31571 | 32016 | 30699 | 23435 | 15087 | 9975 | 6351 | 3212 | 1386 | 507 | 196 |
1972 | 29496 | 26796 | 24835 | 19501 | 12911 | 8891 | 5674 | 3513 | 1532 | 540 | 200 |
1973 | 26450 | 24884 | 20581 | 14458 | 10892 | 8013 | 5523 | 3347 | 1828 | 654 | 281 |
1974 | 24490 | 22449 | 19575 | 12325 | 7991 | 6766 | 4985 | 3284 | 1770 | 860 | 382 |
1975 | 22315 | 20441 | 17221 | 11470 | 6748 | 4769 | 4066 | 2834 | 1664 | 815 | 469 |
1976 | 21040 | 18323 | 15260 | 9608 | 6215 | 3808 | 2693 | 2126 | 1279 | 673 | 405 |
1977 | 20161 | 17170 | 13093 | 8256 | 4962 | 3389 | 2127 | 1340 | 855 | 469 | 276 |
1978 | 19285 | 15990 | 12030 | 7075 | 4565 | 2811 | 1955 | 999 | 508 | 265 | 189 |
1979 | 18356 | 15137 | 10976 | 6847 | 4058 | 2766 | 1697 | 981 | 432 | 160 | 135 |
1980 | 17503 | 14294 | 10634 | 6700 | 4364 | 2697 | 1863 | 988 | 509 | 184 | 111 |
1981 | 17648 | 13849 | 10550 | 7047 | 4398 | 2936 | 1809 | 1113 | 543 | 212 | 94 |
1982 | 17384 | 13881 | 10120 | 7209 | 4843 | 3015 | 1929 | 1057 | 606 | 217 | 91 |
1983 | 17494 | 13657 | 10209 | 6997 | 4872 | 3138 | 1759 | 1053 | 534 | 265 | 101 |
1984 | 17318 | 13838 | 9713 | 6846 | 4415 | 3087 | 1724 | 912 | 515 | 243 | 113 |
1985 | 17799 | 13745 | 9354 | 5934 | 4260 | 2776 | 1659 | 907 | 441 | 248 | 109 |
1986 | 17969 | 14196 | 9154 | 5539 | 3543 | 2689 | 1459 | 885 | 442 | 203 | 98 |
1987 | 17801 | 14203 | 9472 | 5230 | 3218 | 2107 | 1434 | 789 | 437 | 184 | 25 |
1988 | 17282 | 14156 | 9475 | 5283 | 2902 | 1918 | 1063 | 820 | 424 | 207 | 52 |
1989 | 16002 | 13819 | 9482 | 5241 | 2878 | 1625 | 992 | 556 | 441 | 231 | 65 |
1990 | 14587 | 12221 | 8864 | 5161 | 2916 | 1670 | 896 | 554 | 276 | 258 | 100 |
1991 | 13979 | 10726 | 7288 | 4563 | 2861 | 1708 | 869 | 471 | 220 | 159 | 132 |
1992 | 13952 | 10156 | 6526 | 3461 | 2469 | 1818 | 746 | 380 | 128 | 95 | 33 |
1993 | 14834 | 10560 | 7005 | 3684 | 1944 | 1772 | 896 | 355 | 124 | 49 | 7 |
1994 | 16439 | 11544 | 7680 | 4113 | 2108 | 1458 | 884 | 416 | 125 | 52 | 16 |
1995 | 17440 | 13427 | 8754 | 4706 | 2489 | 1543 | 703 | 402 | 133 | 45 | 20 |
1996 | 18055 | 14291 | 10512 | 5367 | 2899 | 1806 | 645 | 286 | 125 | 48 | 7 |
1997 | 17419 | 14889 | 10857 | 6460 | 3296 | 2160 | 748 | 274 | 102 | 67 | 15 |
1998 | 16722 | 14593 | 11742 | 6931 | 4297 | 2428 | 921 | 369 | 92 | 64 | 37 |
1999 | 16015 | 14199 | 11559 | 7777 | 4572 | 3191 | 1054 | 507 | 154 | 58 | 45 |
2000 | 16801 | 13325 | 11219 | 7656 | 5296 | 3311 | 1411 | 590 | 220 | 90 | 49 |
2001 | 16946 | 14175 | 10544 | 7800 | 5369 | 3850 | 1653 | 815 | 282 | 132 | 68 |
2002 | 17627 | 14190 | 11176 | 7255 | 5616 | 3948 | 2131 | 1000 | 435 | 171 | 112 |
2003 | 18222 | 14964 | 11303 | 7901 | 5242 | 4156 | 2376 | 1333 | 603 | 283 | 159 |
2004 | 19415 | 15266 | 12008 | 8062 | 5783 | 3802 | 2602 | 1561 | 821 | 419 | 276 |
2005 | 22026 | 16323 | 12161 | 8595 | 5810 | 4144 | 2494 | 1721 | 952 | 538 | 421 |
2006 | 24884 | 18665 | 13035 | 8801 | 6107 | 4198 | 2819 | 1699 | 1067 | 592 | 521 |
2007 | 27639 | 20931 | 14983 | 9403 | 6294 | 4465 | 3036 | 1995 | 1097 | 671 | 658 |
2008 | 29762 | 23202 | 16880 | 11206 | 6853 | 4761 | 3405 | 2209 | 1327 | 714 | 832 |
2009 | 32306 | 25210 | 19208 | 13158 | 8303 | 5149 | 3769 | 2539 | 1510 | 848 | 996 |
2010 | 31603 | 27502 | 20831 | 15363 | 9825 | 6357 | 4080 | 2833 | 1794 | 977 | 1287 |
2011 | 30364 | 26984 | 23086 | 16848 | 11775 | 7555 | 5022 | 3086 | 1960 | 1173 | 1547 |
2012 | 28567 | 25771 | 22539 | 18702 | 12757 | 9112 | 5863 | 3775 | 2139 | 1315 | 1865 |