Table 2. Estimated stock numbers. | |||||||||
Year\Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1968 | 29115 | 8226 | 3393 | 2506 | 780 | 251 | 79 | 21 | 9 |
1969 | 23156 | 7085 | 4035 | 1828 | 1056 | 262 | 84 | 28 | 11 |
1970 | 21991 | 5525 | 3486 | 2177 | 800 | 363 | 88 | 29 | 11 |
1971 | 21849 | 5282 | 2737 | 1868 | 959 | 269 | 119 | 30 | 12 |
1972 | 25109 | 5223 | 2597 | 1489 | 823 | 313 | 86 | 40 | 11 |
1973 | 23981 | 6094 | 2540 | 1374 | 606 | 261 | 102 | 26 | 14 |
1974 | 20505 | 5799 | 2990 | 1316 | 510 | 194 | 90 | 34 | 10 |
1975 | 17268 | 4938 | 2820 | 1536 | 500 | 169 | 58 | 25 | 11 |
1976 | 14529 | 4156 | 2405 | 1439 | 591 | 158 | 47 | 15 | 8 |
1977 | 10979 | 3514 | 1995 | 1181 | 522 | 188 | 46 | 15 | 7 |
1978 | 9362 | 2628 | 1683 | 984 | 433 | 168 | 60 | 17 | 7 |
1979 | 11055 | 2219 | 1248 | 789 | 367 | 158 | 57 | 21 | 7 |
1980 | 14159 | 2650 | 1055 | 593 | 305 | 137 | 55 | 18 | 8 |
1981 | 19506 | 3396 | 1265 | 517 | 243 | 114 | 50 | 18 | 7 |
1982 | 21862 | 4740 | 1624 | 608 | 210 | 85 | 38 | 14 | 7 |
1983 | 18286 | 5334 | 2268 | 743 | 243 | 71 | 26 | 9 | 4 |
1984 | 18301 | 4365 | 2491 | 993 | 303 | 91 | 25 | 7 | 3 |
1985 | 17772 | 4410 | 2064 | 1080 | 388 | 112 | 33 | 8 | 3 |
1986 | 16256 | 4289 | 2112 | 939 | 401 | 130 | 37 | 10 | 3 |
1987 | 15437 | 3906 | 2080 | 989 | 364 | 126 | 37 | 10 | 3 |
1988 | 14386 | 3719 | 1897 | 1031 | 393 | 116 | 38 | 11 | 3 |
1989 | 11195 | 3491 | 1813 | 944 | 430 | 130 | 40 | 14 | 5 |
1990 | 9994 | 2677 | 1717 | 931 | 420 | 162 | 45 | 16 | 7 |
1991 | 8960 | 2405 | 1304 | 908 | 446 | 169 | 62 | 19 | 8 |
1992 | 7470 | 2172 | 1176 | 691 | 457 | 191 | 65 | 27 | 9 |
1993 | 7627 | 1774 | 1069 | 633 | 353 | 206 | 75 | 28 | 11 |
1994 | 7727 | 1836 | 868 | 582 | 328 | 155 | 81 | 33 | 9 |
1995 | 6241 | 1886 | 898 | 472 | 313 | 140 | 53 | 36 | 9 |
1996 | 6541 | 1495 | 930 | 494 | 254 | 142 | 41 | 21 | 11 |
1997 | 6665 | 1574 | 725 | 516 | 271 | 111 | 50 | 14 | 7 |
1998 | 7365 | 1598 | 771 | 397 | 284 | 120 | 36 | 22 | 5 |
1999 | 7909 | 1773 | 791 | 431 | 223 | 126 | 34 | 17 | 8 |
2000 | 9477 | 1883 | 864 | 440 | 232 | 101 | 27 | 14 | 5 |
2001 | 12225 | 2292 | 919 | 477 | 229 | 92 | 25 | 8 | 5 |
2002 | 10975 | 2961 | 1122 | 487 | 230 | 81 | 23 | 9 | 5 |
2003 | 9544 | 2649 | 1431 | 597 | 235 | 73 | 22 | 7 | 5 |
2004 | 6862 | 2287 | 1281 | 756 | 284 | 70 | 16 | 5 | 3 |
2005 | 6616 | 1636 | 1102 | 694 | 350 | 84 | 17 | 3 | 2 |
2006 | 7273 | 1599 | 817 | 602 | 329 | 86 | 24 | 4 | 1 |
2007 | 7518 | 1770 | 797 | 458 | 297 | 101 | 25 | 8 | 2 |
2008 | 8609 | 1813 | 872 | 444 | 241 | 120 | 36 | 8 | 3 |
2009 | 9379 | 2068 | 895 | 485 | 234 | 111 | 49 | 14 | 3 |
2010 | 11090 | 2251 | 1011 | 492 | 254 | 110 | 49 | 21 | 4 |
2011 | 12741 | 2657 | 1096 | 558 | 261 | 120 | 47 | 21 | 6 |
2012 | 14320 | 3057 | 1298 | 607 | 302 | 124 | 50 | 18 | 5 |