Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1963 | 498321 | 189473 | 19895 | 10293 | 8192 | 5295 |
1964 | 804519 | 135537 | 51896 | 11555 | 5247 | 7163 |
1965 | 1077334 | 230499 | 41028 | 23110 | 6237 | 5524 |
1966 | 1304069 | 281813 | 68734 | 16349 | 9274 | 6224 |
1967 | 1082734 | 343863 | 73644 | 28510 | 8056 | 8292 |
1968 | 553491 | 290977 | 91217 | 29028 | 14446 | 7044 |
1969 | 485046 | 142201 | 71898 | 33962 | 11349 | 10080 |
1970 | 1586435 | 132191 | 39183 | 32016 | 15269 | 8165 |
1971 | 2045187 | 421258 | 33962 | 14959 | 16028 | 10268 |
1972 | 511447 | 521258 | 91491 | 12131 | 5944 | 12612 |
1973 | 735275 | 118184 | 106192 | 30001 | 4930 | 6787 |
1974 | 720716 | 175080 | 23342 | 35990 | 10786 | 5375 |
1975 | 1208632 | 167209 | 36388 | 9664 | 16282 | 6798 |
1976 | 854268 | 280688 | 33793 | 13639 | 3756 | 9324 |
1977 | 2065742 | 172129 | 50161 | 10531 | 5040 | 5834 |
1978 | 1297565 | 441529 | 30455 | 18611 | 5670 | 4331 |
1979 | 1631483 | 266465 | 79937 | 8694 | 7203 | 3222 |
1980 | 2626073 | 309589 | 58924 | 24222 | 3915 | 4314 |
1981 | 1051786 | 494845 | 58630 | 17434 | 8520 | 3307 |
1982 | 1689596 | 189283 | 93153 | 16916 | 6471 | 5196 |
1983 | 924492 | 315212 | 33323 | 20986 | 5282 | 4079 |
1984 | 1682851 | 173512 | 51328 | 7857 | 6566 | 3481 |
1985 | 404335 | 327420 | 32533 | 14477 | 2695 | 3810 |
1986 | 1832149 | 82619 | 57011 | 10106 | 5488 | 2705 |
1987 | 693149 | 383464 | 16167 | 15207 | 2912 | 3055 |
1988 | 474967 | 147857 | 70123 | 5214 | 4785 | 2097 |
1989 | 821593 | 104297 | 30061 | 17046 | 1790 | 2672 |
1990 | 321258 | 178617 | 19982 | 7755 | 4913 | 1465 |
1991 | 364397 | 73204 | 29792 | 5925 | 2615 | 2669 |
1992 | 837352 | 87728 | 14520 | 8631 | 1963 | 1774 |
1993 | 413743 | 193881 | 16955 | 4831 | 2662 | 1318 |
1994 | 982642 | 100811 | 34510 | 5229 | 1614 | 1412 |
1995 | 574928 | 237281 | 22115 | 9735 | 1640 | 1037 |
1996 | 357539 | 135266 | 37235 | 5293 | 3078 | 1136 |
1997 | 1129177 | 92226 | 24662 | 8987 | 1752 | 1350 |
1998 | 135673 | 290686 | 19600 | 6604 | 2774 | 956 |
1999 | 239426 | 35277 | 51586 | 5205 | 1926 | 1258 |
2000 | 444187 | 64087 | 8273 | 9675 | 1453 | 842 |
2001 | 160813 | 123500 | 13459 | 2188 | 2182 | 567 |
2002 | 240145 | 46490 | 24416 | 3899 | 581 | 744 |
2003 | 118421 | 65447 | 10070 | 7038 | 1007 | 375 |
2004 | 197008 | 36425 | 13699 | 3066 | 1895 | 416 |
2005 | 151448 | 52000 | 7982 | 3403 | 975 | 777 |
2006 | 352921 | 44981 | 11985 | 2138 | 1031 | 647 |
2007 | 166542 | 99012 | 9660 | 4088 | 920 | 534 |
2008 | 191186 | 45752 | 22994 | 3093 | 1517 | 671 |
2009 | 188905 | 52575 | 10988 | 7452 | 1311 | 754 |
2010 | 287219 | 54014 | 12720 | 3876 | 2972 | 684 |
2011 | 142914 | 78198 | 12958 | 4221 | 1636 | 1424 |
2012 | 198988 | 40498 | 19512 | 5996 | 1832 | 1196 |
2013 | 244997 | 52000 | 11114 | 8920 | 2809 | 1151 |
2014 | 364397 | 61451 | 15788 | 5357 | 4207 | 1470 |
2015 | 265402 | 96568 | 17580 | 7633 | 2719 | 3001 |