Table 2. Estimated stock numbers. | |||||||||
Year\Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1968 | 31257 | 7937 | 3405 | 2503 | 780 | 250 | 79 | 21 | 9 |
1969 | 27806 | 7530 | 3894 | 1836 | 1046 | 261 | 83 | 28 | 11 |
1970 | 22539 | 6694 | 3693 | 2103 | 809 | 363 | 89 | 29 | 11 |
1971 | 21241 | 5419 | 3285 | 1982 | 936 | 273 | 119 | 30 | 12 |
1972 | 25336 | 5104 | 2658 | 1778 | 884 | 305 | 87 | 41 | 11 |
1973 | 24197 | 6109 | 2495 | 1408 | 710 | 272 | 100 | 26 | 14 |
1974 | 20378 | 5828 | 2985 | 1301 | 509 | 219 | 97 | 34 | 10 |
1975 | 17058 | 4905 | 2832 | 1529 | 496 | 171 | 64 | 26 | 11 |
1976 | 14377 | 4105 | 2380 | 1446 | 593 | 157 | 46 | 16 | 8 |
1977 | 10468 | 3464 | 1971 | 1160 | 519 | 186 | 45 | 15 | 8 |
1978 | 8746 | 2517 | 1652 | 973 | 423 | 164 | 60 | 17 | 7 |
1979 | 10718 | 2099 | 1200 | 765 | 362 | 158 | 57 | 22 | 8 |
1980 | 14179 | 2578 | 1007 | 571 | 299 | 137 | 55 | 18 | 8 |
1981 | 20183 | 3410 | 1236 | 500 | 241 | 115 | 51 | 18 | 7 |
1982 | 20026 | 4871 | 1637 | 599 | 206 | 85 | 38 | 15 | 7 |
1983 | 17216 | 4825 | 2333 | 746 | 239 | 68 | 26 | 8 | 3 |
1984 | 17431 | 4139 | 2306 | 998 | 307 | 91 | 25 | 7 | 3 |
1985 | 16014 | 4198 | 1979 | 978 | 390 | 116 | 33 | 8 | 3 |
1986 | 13682 | 3856 | 2013 | 891 | 356 | 130 | 38 | 11 | 3 |
1987 | 12159 | 3292 | 1863 | 928 | 338 | 109 | 36 | 10 | 3 |
1988 | 11077 | 2926 | 1597 | 908 | 356 | 102 | 30 | 9 | 3 |
1989 | 8866 | 2669 | 1423 | 778 | 352 | 110 | 34 | 11 | 4 |
1990 | 8096 | 2132 | 1302 | 719 | 327 | 129 | 39 | 13 | 6 |
1991 | 7783 | 1948 | 1040 | 679 | 337 | 134 | 52 | 16 | 7 |
1992 | 6682 | 1876 | 952 | 552 | 343 | 154 | 57 | 23 | 8 |
1993 | 7096 | 1605 | 919 | 512 | 286 | 163 | 66 | 25 | 10 |
1994 | 7710 | 1708 | 785 | 500 | 270 | 133 | 70 | 29 | 10 |
1995 | 6033 | 1861 | 836 | 430 | 270 | 122 | 50 | 30 | 9 |
1996 | 6434 | 1450 | 914 | 461 | 233 | 126 | 39 | 19 | 10 |
1997 | 6648 | 1549 | 709 | 507 | 253 | 105 | 48 | 12 | 6 |
1998 | 7342 | 1599 | 759 | 393 | 281 | 112 | 37 | 20 | 4 |
1999 | 7691 | 1768 | 786 | 424 | 223 | 128 | 34 | 18 | 7 |
2000 | 9195 | 1848 | 866 | 437 | 229 | 102 | 35 | 15 | 4 |
2001 | 10937 | 2214 | 905 | 479 | 228 | 91 | 26 | 13 | 4 |
2002 | 10108 | 2636 | 1082 | 482 | 230 | 82 | 25 | 10 | 5 |
2003 | 8651 | 2432 | 1285 | 570 | 234 | 78 | 23 | 8 | 5 |
2004 | 7653 | 2081 | 1184 | 679 | 269 | 74 | 18 | 6 | 3 |
2005 | 7473 | 1841 | 1015 | 638 | 314 | 86 | 15 | 2 | 2 |
2006 | 8063 | 1800 | 905 | 562 | 305 | 79 | 27 | 5 | 1 |
2007 | 8097 | 1944 | 884 | 502 | 280 | 97 | 25 | 10 | 2 |
2008 | 8876 | 1949 | 953 | 488 | 261 | 117 | 35 | 8 | 3 |
2009 | 9598 | 2135 | 956 | 525 | 256 | 120 | 48 | 14 | 3 |
2010 | 11019 | 2309 | 1046 | 526 | 274 | 121 | 53 | 21 | 4 |
2011 | 12272 | 2650 | 1130 | 578 | 281 | 130 | 52 | 22 | 5 |
2012 | 13513 | 2952 | 1298 | 628 | 316 | 136 | 55 | 20 | 5 |