Table 2. Estimated stock numbers. | ||||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10+ |
1973 | 31603 | 6450 | 4231 | 2038 | 8883 | 1612 | 1167 | 328 | 1383 | 2164 |
1974 | 128027 | 24934 | 5281 | 3536 | 1556 | 6558 | 1121 | 701 | 163 | 1494 |
1975 | 17175 | 114921 | 19653 | 4405 | 2998 | 1199 | 4762 | 723 | 360 | 756 |
1976 | 8305 | 13585 | 103053 | 15469 | 3381 | 2224 | 824 | 2948 | 365 | 577 |
1977 | 7333 | 6690 | 10745 | 84626 | 11960 | 2391 | 1354 | 462 | 1209 | 438 |
1978 | 13374 | 5888 | 5389 | 8351 | 61883 | 8212 | 1407 | 635 | 170 | 604 |
1979 | 4578 | 11454 | 4728 | 4650 | 5937 | 32991 | 4879 | 794 | 195 | 155 |
1980 | 10355 | 3563 | 9809 | 3775 | 3503 | 3457 | 16526 | 2079 | 180 | 62 |
1981 | 3100 | 8952 | 2773 | 8124 | 2914 | 2571 | 2255 | 7639 | 603 | 77 |
1982 | 3423 | 2451 | 7738 | 2148 | 7120 | 2327 | 1829 | 1213 | 2165 | 228 |
1983 | 1155 | 3182 | 1992 | 7055 | 1768 | 5653 | 1292 | 695 | 255 | 534 |
1984 | 2460 | 900 | 2958 | 1705 | 5455 | 1064 | 2801 | 403 | 193 | 203 |
1985 | 101013 | 2274 | 781 | 2636 | 1291 | 3499 | 451 | 1101 | 106 | 128 |
1986 | 55050 | 90672 | 2122 | 598 | 2091 | 809 | 1957 | 215 | 540 | 103 |
1987 | 2290 | 45707 | 81308 | 1834 | 435 | 1423 | 437 | 1119 | 111 | 400 |
1988 | 1669 | 2015 | 36243 | 73057 | 1311 | 259 | 862 | 227 | 556 | 233 |
1989 | 469 | 1461 | 1711 | 28311 | 55659 | 739 | 107 | 417 | 106 | 286 |
1990 | 423 | 396 | 1284 | 1396 | 17940 | 25185 | 295 | 38 | 181 | 98 |
1991 | 717 | 320 | 319 | 1064 | 708 | 6747 | 6505 | 83 | 18 | 53 |
1992 | 359 | 550 | 224 | 234 | 439 | 164 | 1494 | 917 | 25 | 10 |
1993 | 243 | 280 | 386 | 160 | 100 | 152 | 41 | 137 | 102 | 6 |
1994 | 789 | 198 | 228 | 286 | 97 | 50 | 76 | 17 | 27 | 30 |
1995 | 255 | 627 | 191 | 170 | 198 | 59 | 29 | 46 | 8 | 28 |
1996 | 150 | 158 | 460 | 158 | 122 | 114 | 39 | 19 | 27 | 24 |
1997 | 427 | 112 | 106 | 314 | 132 | 83 | 75 | 25 | 11 | 35 |
1998 | 1510 | 358 | 87 | 80 | 207 | 83 | 57 | 40 | 15 | 31 |
1999 | 2007 | 1161 | 320 | 79 | 66 | 107 | 58 | 35 | 23 | 30 |
2000 | 3362 | 1548 | 886 | 284 | 71 | 49 | 68 | 38 | 24 | 38 |
2001 | 2506 | 2808 | 1172 | 682 | 244 | 63 | 39 | 44 | 24 | 45 |
2002 | 1025 | 1971 | 2271 | 894 | 527 | 211 | 57 | 30 | 30 | 53 |
2003 | 9489 | 976 | 1544 | 1759 | 655 | 361 | 172 | 44 | 21 | 60 |
2004 | 61945 | 7665 | 952 | 1220 | 1308 | 466 | 240 | 124 | 29 | 58 |
2005 | 16073 | 51226 | 6017 | 908 | 943 | 958 | 318 | 133 | 79 | 63 |
2006 | 17550 | 12234 | 39656 | 5208 | 818 | 739 | 662 | 171 | 62 | 102 |
2007 | 6994 | 13888 | 8863 | 27310 | 3819 | 649 | 479 | 394 | 108 | 121 |
2008 | 14562 | 5660 | 10468 | 6452 | 17382 | 2586 | 461 | 263 | 227 | 151 |
2009 | 20319 | 12656 | 4649 | 6929 | 4021 | 6683 | 1309 | 202 | 171 | 221 |
2010 | 33390 | 14418 | 9761 | 3359 | 4351 | 2252 | 3564 | 812 | 141 | 266 |
2011 | 9064 | 27419 | 10514 | 8397 | 2558 | 2752 | 1459 | 1815 | 554 | 307 |
2012 | 4883 | 8206 | 23576 | 8997 | 7168 | 2055 | 1745 | 908 | 885 | 587 |
2013 | 2581 | 4063 | 6886 | 19900 | 7093 | 5730 | 1535 | 1151 | 557 | 855 |
2014 | 949 | 2066 | 3517 | 5861 | 14679 | 5220 | 3884 | 1060 | 735 | 785 |
2015 | 4618 | 842 | 1875 | 3398 | 5400 | 9933 | 3623 | 2333 | 605 | 924 |
2016 | 41898 | 4242 | 833 | 1542 | 2673 | 3100 | 5849 | 2116 | 1245 | 887 |