Table 2. Estimated stock numbers. | ||||||||
Year\Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7+ |
1970 | 486504 | 264078 | 106298 | 18494 | 6908 | 2015 | 578 | 238 |
1971 | 532320 | 215993 | 116658 | 29673 | 4653 | 2134 | 737 | 314 |
1972 | 272120 | 263287 | 94278 | 31634 | 7611 | 1345 | 716 | 339 |
1973 | 440207 | 105768 | 120331 | 27584 | 7727 | 2087 | 356 | 303 |
1974 | 255761 | 225032 | 52156 | 34996 | 6946 | 1990 | 697 | 210 |
1975 | 266732 | 106831 | 116891 | 15406 | 7932 | 1565 | 553 | 275 |
1976 | 371387 | 115613 | 63959 | 37684 | 3713 | 1833 | 455 | 224 |
1977 | 259367 | 181861 | 63070 | 19663 | 8075 | 897 | 446 | 188 |
1978 | 138413 | 120572 | 107904 | 19166 | 4381 | 1867 | 255 | 161 |
1979 | 268337 | 52892 | 74682 | 36243 | 4922 | 1250 | 658 | 148 |
1980 | 190613 | 136899 | 32565 | 29173 | 9557 | 1588 | 461 | 344 |
1981 | 324162 | 76726 | 86769 | 14744 | 7438 | 2869 | 599 | 292 |
1982 | 337729 | 154972 | 55882 | 30977 | 3845 | 1906 | 842 | 290 |
1983 | 151297 | 168890 | 75887 | 22516 | 8243 | 1350 | 621 | 335 |
1984 | 104611 | 64344 | 84626 | 23063 | 6636 | 2491 | 491 | 293 |
1985 | 158578 | 42574 | 30884 | 26450 | 6060 | 2093 | 847 | 241 |
1986 | 123254 | 77497 | 24101 | 11595 | 5613 | 1416 | 604 | 263 |
1987 | 56613 | 59160 | 55050 | 10645 | 2546 | 1071 | 292 | 194 |
1988 | 58337 | 22971 | 36388 | 23156 | 3204 | 604 | 279 | 140 |
1989 | 65644 | 25952 | 12958 | 14438 | 6182 | 900 | 201 | 122 |
1990 | 101114 | 28339 | 16779 | 5930 | 3455 | 1471 | 283 | 101 |
1991 | 178082 | 44667 | 17601 | 6632 | 1562 | 673 | 385 | 103 |
1992 | 100710 | 92319 | 29822 | 7616 | 1265 | 261 | 164 | 133 |
1993 | 154199 | 39935 | 64473 | 14330 | 1867 | 264 | 69 | 87 |
1994 | 237756 | 69286 | 35490 | 32696 | 4677 | 430 | 69 | 51 |
1995 | 107904 | 115266 | 54666 | 17844 | 10915 | 1735 | 178 | 38 |
1996 | 232350 | 48388 | 82372 | 27695 | 5515 | 3163 | 574 | 70 |
1997 | 320937 | 109864 | 20969 | 37873 | 6905 | 1343 | 841 | 202 |
1998 | 148747 | 144206 | 66836 | 8718 | 8095 | 1395 | 309 | 225 |
1999 | 154972 | 59456 | 88521 | 26423 | 2463 | 1714 | 378 | 155 |
2000 | 115728 | 70827 | 39458 | 34235 | 6264 | 567 | 402 | 137 |
2001 | 141068 | 51948 | 43434 | 16188 | 7435 | 1488 | 172 | 147 |
2002 | 84036 | 65578 | 32016 | 16179 | 3558 | 1479 | 408 | 89 |
2003 | 159213 | 34132 | 48243 | 13533 | 3684 | 758 | 373 | 135 |
2004 | 112533 | 75508 | 20733 | 21508 | 4225 | 926 | 232 | 166 |
2005 | 81634 | 50869 | 60476 | 9813 | 6330 | 1178 | 296 | 124 |
2006 | 66436 | 38216 | 35739 | 32925 | 3921 | 1682 | 287 | 113 |
2007 | 52680 | 30822 | 31603 | 20101 | 12543 | 2019 | 635 | 151 |
2008 | 85136 | 22382 | 24101 | 20282 | 8693 | 4379 | 1007 | 349 |
2009 | 58105 | 39379 | 19954 | 16644 | 11148 | 3828 | 1508 | 489 |
2010 | 55271 | 25591 | 34030 | 14985 | 9813 | 5052 | 1509 | 681 |
2011 | 48874 | 24984 | 18177 | 20431 | 9925 | 5300 | 2533 | 1046 |
2012 | 48874 | 21884 | 19040 | 11728 | 10390 | 4365 | 2434 | 1732 |