Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1963 | 496332 | 186465 | 20546 | 10328 | 8246 | 5203 |
1964 | 818313 | 135266 | 52156 | 11535 | 5256 | 7026 |
1965 | 1058115 | 232118 | 40579 | 22925 | 6208 | 5583 |
1966 | 1292385 | 278173 | 68186 | 16478 | 9518 | 6165 |
1967 | 1093616 | 341806 | 73130 | 28710 | 8030 | 8171 |
1968 | 553491 | 293314 | 90400 | 28681 | 14301 | 7098 |
1969 | 489432 | 142914 | 73277 | 34166 | 11428 | 10016 |
1970 | 1586435 | 132588 | 39066 | 32403 | 15447 | 8538 |
1971 | 2069878 | 419157 | 33827 | 14958 | 16052 | 10742 |
1972 | 517622 | 524395 | 91035 | 12155 | 5983 | 12842 |
1973 | 746387 | 120572 | 106511 | 29912 | 4967 | 7242 |
1974 | 727959 | 177371 | 23909 | 36680 | 11089 | 5656 |
1975 | 1244196 | 169736 | 36975 | 9679 | 16470 | 7262 |
1976 | 850858 | 286645 | 34030 | 13658 | 3816 | 9989 |
1977 | 2101160 | 171442 | 51277 | 10971 | 5145 | 6219 |
1978 | 1341099 | 444187 | 30792 | 18883 | 5604 | 4678 |
1979 | 1638022 | 271848 | 80338 | 9035 | 7399 | 3604 |
1980 | 2626073 | 312700 | 58806 | 24760 | 3996 | 4767 |
1981 | 1059174 | 492870 | 58747 | 17707 | 8921 | 3703 |
1982 | 1732368 | 191760 | 91950 | 17031 | 6615 | 5687 |
1983 | 951695 | 320937 | 33124 | 21252 | 5447 | 4583 |
1984 | 1701465 | 177549 | 52052 | 8044 | 6812 | 3933 |
1985 | 417901 | 330380 | 33124 | 14839 | 2806 | 4313 |
1986 | 1852414 | 84965 | 57931 | 10229 | 5645 | 3074 |
1987 | 709276 | 385001 | 16426 | 15505 | 3044 | 3446 |
1988 | 488454 | 151600 | 70404 | 5251 | 5007 | 2448 |
1989 | 826537 | 107474 | 30424 | 17569 | 1840 | 3041 |
1990 | 330050 | 180412 | 20361 | 8007 | 5289 | 1772 |
1991 | 378511 | 75584 | 30853 | 6151 | 2770 | 3121 |
1992 | 858550 | 91400 | 15110 | 9048 | 2099 | 2209 |
1993 | 438888 | 203211 | 18197 | 5190 | 2983 | 1733 |
1994 | 1025817 | 108337 | 37086 | 5692 | 1812 | 1879 |
1995 | 601391 | 250697 | 23647 | 10650 | 1864 | 1451 |
1996 | 379648 | 143344 | 40135 | 5828 | 3423 | 1526 |
1997 | 1163566 | 98125 | 26291 | 9747 | 1922 | 1817 |
1998 | 143774 | 302852 | 20986 | 7153 | 3089 | 1360 |
1999 | 253216 | 37873 | 54995 | 5614 | 2118 | 1714 |
2000 | 462314 | 68460 | 8735 | 10667 | 1610 | 1220 |
2001 | 170076 | 128927 | 14435 | 2333 | 2477 | 867 |
2002 | 248699 | 49217 | 25926 | 4141 | 642 | 1107 |
2003 | 125242 | 68941 | 10927 | 7663 | 1189 | 644 |
2004 | 202805 | 37987 | 14514 | 3314 | 2241 | 711 |
2005 | 156843 | 54339 | 8212 | 3677 | 1095 | 1273 |
2006 | 361494 | 45982 | 12490 | 2364 | 1206 | 1128 |
2007 | 170928 | 101722 | 10138 | 4439 | 1078 | 1017 |
2008 | 197008 | 47335 | 23957 | 3494 | 1843 | 1247 |
2009 | 197600 | 54557 | 11607 | 8327 | 1598 | 1478 |
2010 | 299839 | 56331 | 13544 | 4419 | 3759 | 1463 |
2011 | 150693 | 82207 | 14131 | 4951 | 2104 | 2957 |
2012 | 205870 | 42404 | 21487 | 6961 | 2425 | 2722 |
2013 | 254995 | 53852 | 11932 | 10264 | 3720 | 2721 |
2014 | 381170 | 64087 | 16223 | 5934 | 5347 | 3441 |
2015 | 277063 | 100007 | 18472 | 8062 | 3182 | 5552 |