Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 395537 | 228662 | 81227 | 21361 | 4143 | 1747 | 172 |
1967 | 373996 | 278730 | 93433 | 32794 | 5985 | 1153 | 540 |
1968 | 333701 | 260407 | 109316 | 33256 | 6193 | 1095 | 299 |
1969 | 289816 | 230960 | 105240 | 34475 | 9347 | 1781 | 393 |
1970 | 245733 | 198194 | 93340 | 37835 | 9139 | 2497 | 593 |
1971 | 263550 | 168215 | 84373 | 32080 | 10424 | 2476 | 844 |
1972 | 318061 | 184425 | 79380 | 30730 | 11203 | 3754 | 1185 |
1973 | 410446 | 224583 | 85734 | 28170 | 10626 | 3827 | 1758 |
1974 | 429768 | 300439 | 111860 | 31039 | 9656 | 3664 | 1967 |
1975 | 317109 | 322223 | 153891 | 44712 | 11032 | 3424 | 2031 |
1976 | 318380 | 233748 | 160653 | 64087 | 17682 | 4303 | 2157 |
1977 | 446860 | 240626 | 124742 | 63959 | 21072 | 5761 | 2129 |
1978 | 703624 | 345933 | 144495 | 55326 | 19795 | 6547 | 2436 |
1979 | 589482 | 543617 | 211082 | 72186 | 23671 | 8499 | 3890 |
1980 | 468364 | 439327 | 325787 | 104402 | 32177 | 10384 | 5389 |
1981 | 630961 | 344552 | 256273 | 148153 | 40741 | 12657 | 6172 |
1982 | 626560 | 480220 | 211293 | 113097 | 49961 | 13609 | 6384 |
1983 | 457257 | 468364 | 289526 | 95511 | 37123 | 16483 | 6476 |
1984 | 313326 | 332036 | 275957 | 131400 | 35313 | 13671 | 8536 |
1985 | 259886 | 223239 | 179333 | 116308 | 42193 | 11279 | 7105 |
1986 | 264871 | 181498 | 119491 | 72984 | 39895 | 14369 | 6264 |
1987 | 293021 | 189852 | 98913 | 44757 | 18804 | 10185 | 5287 |
1988 | 201793 | 208564 | 99012 | 37235 | 13066 | 5497 | 4485 |
1989 | 121540 | 142771 | 98519 | 34098 | 12800 | 4462 | 3390 |
1990 | 98617 | 86682 | 62881 | 26876 | 10399 | 3915 | 2420 |
1991 | 91217 | 68391 | 38330 | 16121 | 6502 | 2540 | 1577 |
1992 | 138829 | 64602 | 27695 | 10020 | 3051 | 1247 | 785 |
1993 | 169566 | 102744 | 35102 | 10121 | 2562 | 775 | 514 |
1994 | 134861 | 126500 | 62505 | 18359 | 4848 | 1245 | 629 |
1995 | 118777 | 98027 | 71539 | 31070 | 7988 | 2072 | 823 |
1996 | 107474 | 86682 | 53423 | 30485 | 11016 | 2832 | 1005 |
1997 | 93340 | 78669 | 42873 | 18800 | 9994 | 3702 | 1308 |
1998 | 134592 | 69079 | 37534 | 14374 | 5196 | 2787 | 1415 |
1999 | 143487 | 100509 | 36498 | 13078 | 4291 | 1570 | 1283 |
2000 | 149941 | 105662 | 51689 | 12899 | 4182 | 1377 | 937 |
2001 | 130875 | 106724 | 51021 | 15277 | 4030 | 1321 | 732 |
2002 | 127007 | 93433 | 48339 | 13296 | 4644 | 1246 | 643 |
2003 | 101824 | 90039 | 44757 | 13593 | 3601 | 1270 | 527 |
2004 | 112308 | 73865 | 42277 | 12285 | 4108 | 1104 | 555 |
2005 | 168384 | 82951 | 38254 | 12729 | 2568 | 857 | 351 |
2006 | 163898 | 128027 | 47906 | 14898 | 3835 | 784 | 372 |
2007 | 185721 | 125242 | 76115 | 23412 | 5566 | 1426 | 433 |
2008 | 194269 | 145510 | 83450 | 40701 | 11092 | 2628 | 885 |
2009 | 187213 | 152207 | 99608 | 52156 | 17154 | 4740 | 1481 |
2010 | 211716 | 146386 | 104611 | 64667 | 21515 | 6886 | 2534 |
2011 | 243531 | 168215 | 102334 | 64280 | 25514 | 8593 | 3757 |
2012 | 243531 | 194658 | 119134 | 65710 | 21893 | 8761 | 4239 |