Table 2. Estimated stock numbers. | ||||||||
Year\Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7+ |
1973 | 12890485 | 9530426 | 5903170 | 3172403 | 1315859 | 1203807 | 498820 | 942226 |
1974 | 10553836 | 8260536 | 6107328 | 3674766 | 1699764 | 597196 | 570918 | 771429 |
1975 | 13150890 | 6649153 | 5209529 | 3859314 | 1959108 | 787013 | 282943 | 722881 |
1976 | 15355741 | 8402165 | 4189115 | 3239728 | 2061615 | 827364 | 348711 | 534453 |
1977 | 18606099 | 9781467 | 5293552 | 2618206 | 1649528 | 826537 | 289526 | 429768 |
1978 | 22053900 | 11875642 | 6125678 | 3172403 | 1309296 | 648229 | 316792 | 351512 |
1979 | 19835821 | 14175136 | 7392673 | 3591211 | 1419762 | 495340 | 222571 | 264342 |
1980 | 14118549 | 12673199 | 8753814 | 4184928 | 1562816 | 500318 | 179692 | 193494 |
1981 | 13646587 | 9029432 | 7904952 | 4960415 | 1792282 | 493856 | 133653 | 127007 |
1982 | 14827587 | 8632114 | 5728705 | 4421546 | 2111692 | 516071 | 143057 | 87204 |
1983 | 20915478 | 9351058 | 5411300 | 3169232 | 1852414 | 683512 | 156373 | 77808 |
1984 | 22208819 | 13389749 | 5815283 | 2940235 | 1386094 | 605615 | 217510 | 98420 |
1985 | 13510801 | 14403762 | 8469652 | 3181935 | 1278247 | 449549 | 175431 | 119253 |
1986 | 10386319 | 8580476 | 9083771 | 4813813 | 1425453 | 433653 | 154045 | 123007 |
1987 | 8040485 | 6622609 | 5384311 | 5362817 | 2162985 | 429768 | 157472 | 129832 |
1988 | 8597655 | 5075827 | 4197501 | 3318422 | 2242272 | 471182 | 150242 | 131663 |
1989 | 8886111 | 5482107 | 3188305 | 2620826 | 1311917 | 379648 | 158103 | 125995 |
1990 | 9313728 | 5649062 | 3481591 | 1964994 | 963184 | 169397 | 122149 | 123624 |
1991 | 8666712 | 5938695 | 3587621 | 2169484 | 597196 | 111413 | 52208 | 103985 |
1992 | 7297191 | 5493082 | 3627303 | 2135049 | 782305 | 75358 | 32860 | 64280 |
1993 | 11184059 | 4551648 | 3233255 | 2169484 | 854268 | 82951 | 21311 | 38871 |
1994 | 13007023 | 7025100 | 2543369 | 1933805 | 838190 | 87291 | 22561 | 23459 |
1995 | 14447038 | 8260536 | 3953058 | 1516628 | 680103 | 115613 | 23249 | 17583 |
1996 | 11698837 | 9101957 | 4723214 | 2206681 | 524919 | 117008 | 31761 | 15478 |
1997 | 7740679 | 7268060 | 5025322 | 2612975 | 875894 | 122272 | 35172 | 18400 |
1998 | 8563333 | 4867057 | 4061244 | 2722334 | 1051786 | 234216 | 38063 | 20203 |
1999 | 11513145 | 5405892 | 2913891 | 2145751 | 949794 | 306202 | 75433 | 21245 |
2000 | 12597387 | 7363162 | 3150274 | 1538010 | 591845 | 241108 | 101824 | 33996 |
2001 | 14175136 | 7992387 | 4303762 | 1519664 | 485046 | 92596 | 92319 | 45982 |
2002 | 11150557 | 9029432 | 4625060 | 2078174 | 453613 | 94940 | 43915 | 45026 |
2003 | 9949173 | 6948247 | 5230409 | 2249008 | 702219 | 79858 | 38407 | 27392 |
2004 | 10355207 | 6230705 | 3964935 | 2446087 | 712831 | 253470 | 36279 | 23365 |
2005 | 12597387 | 6478503 | 3474635 | 1790490 | 798109 | 260146 | 99708 | 23017 |
2006 | 12787773 | 7968446 | 3645485 | 1569080 | 428480 | 279847 | 78433 | 34718 |
2007 | 10821008 | 8145694 | 4524420 | 1654484 | 313013 | 146532 | 82537 | 31698 |
2008 | 9175065 | 6899779 | 4794596 | 2211098 | 442413 | 123500 | 43783 | 29378 |
2009 | 7534477 | 5821101 | 4164055 | 2424171 | 650177 | 171099 | 28999 | 17151 |
2010 | 7648346 | 4775456 | 3587621 | 2189098 | 762990 | 228891 | 27695 | 9813 |
2011 | 7557115 | 4896347 | 2972756 | 1901208 | 700816 | 259108 | 25261 | 7085 |
2012 | 5879604 | 4799393 | 3032810 | 1555022 | 596599 | 233748 | 28198 | 5817 |