Table 2. Estimated stock numbers. | |||||||
Year\Age | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1966 | 402721 | 232582 | 69703 | 22270 | 4434 | 1781 | 169 |
1967 | 372503 | 284646 | 96568 | 25617 | 7208 | 1188 | 528 |
1968 | 340783 | 259367 | 113097 | 34064 | 7802 | 985 | 226 |
1969 | 292436 | 236807 | 104820 | 36316 | 8761 | 2155 | 335 |
1970 | 247212 | 200386 | 97343 | 37873 | 8549 | 2516 | 725 |
1971 | 264342 | 169397 | 86250 | 34892 | 10447 | 2444 | 932 |
1972 | 317109 | 185350 | 81064 | 32403 | 9535 | 4220 | 1356 |
1973 | 408808 | 224134 | 86509 | 29584 | 9643 | 3599 | 2184 |
1974 | 429338 | 299240 | 111972 | 31761 | 8806 | 3677 | 2248 |
1975 | 317426 | 321901 | 152665 | 44936 | 10754 | 3270 | 2227 |
1976 | 316159 | 233748 | 159054 | 63007 | 17483 | 4132 | 2142 |
1977 | 449549 | 238948 | 124991 | 62255 | 21586 | 5660 | 2060 |
1978 | 707859 | 348015 | 143774 | 55715 | 20636 | 6662 | 2373 |
1979 | 584201 | 546888 | 212777 | 72114 | 22584 | 8779 | 3888 |
1980 | 465096 | 434956 | 327093 | 105662 | 32500 | 9564 | 5286 |
1981 | 633490 | 342148 | 252206 | 147561 | 40215 | 12911 | 5880 |
1982 | 629701 | 482145 | 210449 | 110194 | 51844 | 13317 | 6319 |
1983 | 449549 | 470711 | 290396 | 95320 | 38716 | 16553 | 6148 |
1984 | 309898 | 325787 | 277618 | 131268 | 34614 | 13955 | 8299 |
1985 | 256786 | 220797 | 173859 | 116308 | 44179 | 10947 | 7039 |
1986 | 266465 | 179333 | 117712 | 69217 | 41110 | 14402 | 5878 |
1987 | 302247 | 190995 | 97929 | 43565 | 20758 | 10013 | 4967 |
1988 | 205459 | 216209 | 100108 | 36864 | 13639 | 5775 | 4155 |
1989 | 122272 | 145656 | 103570 | 35031 | 12557 | 4441 | 3220 |
1990 | 100007 | 87204 | 64731 | 29762 | 9526 | 3938 | 2429 |
1991 | 90039 | 69633 | 38793 | 17117 | 6254 | 2549 | 1736 |
1992 | 136080 | 63704 | 28170 | 9831 | 3062 | 1309 | 888 |
1993 | 173165 | 100509 | 34857 | 10486 | 2665 | 786 | 559 |
1994 | 136626 | 129573 | 61329 | 18607 | 4306 | 1321 | 671 |
1995 | 121540 | 99310 | 74161 | 30669 | 7593 | 1915 | 905 |
1996 | 109426 | 88876 | 54940 | 32925 | 10645 | 2780 | 1007 |
1997 | 94466 | 80098 | 44846 | 20523 | 8290 | 4007 | 1460 |
1998 | 132323 | 69913 | 39183 | 16269 | 4602 | 2668 | 1768 |
1999 | 141492 | 98519 | 37609 | 14788 | 3702 | 1590 | 1548 |
2000 | 145656 | 103881 | 50818 | 14122 | 3704 | 1348 | 1161 |
2001 | 123007 | 103259 | 50011 | 15725 | 3461 | 1355 | 910 |
2002 | 116541 | 87291 | 46723 | 13731 | 3566 | 1242 | 821 |
2003 | 91217 | 82207 | 41233 | 13551 | 3123 | 1172 | 682 |
2004 | 94183 | 65447 | 37873 | 11129 | 3430 | 1088 | 644 |
2005 | 127899 | 68323 | 32338 | 10913 | 2388 | 768 | 390 |
2006 | 117830 | 95035 | 36352 | 11078 | 2853 | 690 | 337 |
2007 | 126248 | 87816 | 49365 | 13827 | 3090 | 856 | 310 |
2008 | 140927 | 96182 | 51948 | 19245 | 4546 | 989 | 378 |
2009 | 133653 | 108989 | 59160 | 24835 | 7722 | 1900 | 565 |
2010 | 151448 | 102847 | 68941 | 30364 | 10736 | 3392 | 1097 |
2011 | 183322 | 118658 | 66503 | 34338 | 13316 | 5052 | 2129 |
2012 | 203211 | 144784 | 76267 | 34406 | 16019 | 6147 | 3327 |
2013 | 245487 | 160332 | 92411 | 38600 | 15592 | 9300 | 5501 |