Table 2. Estimated stock numbers. | |||||||||
Year\Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1968 | 20034 | 5469 | 3062 | 2917 | 863 | 280 | 89 | 21 | 9 |
1969 | 7208 | 7566 | 3068 | 1744 | 1095 | 289 | 97 | 34 | 14 |
1970 | 10070 | 954 | 3977 | 2191 | 907 | 409 | 110 | 37 | 15 |
1971 | 15519 | 2321 | 1239 | 1716 | 1050 | 335 | 132 | 40 | 18 |
1972 | 27119 | 3533 | 1875 | 1561 | 853 | 325 | 105 | 45 | 12 |
1973 | 30699 | 7906 | 1788 | 1373 | 802 | 229 | 84 | 24 | 16 |
1974 | 24612 | 8597 | 3332 | 924 | 435 | 250 | 106 | 37 | 9 |
1975 | 26160 | 5233 | 2669 | 1477 | 387 | 162 | 67 | 27 | 12 |
1976 | 27146 | 6366 | 3223 | 1654 | 610 | 124 | 41 | 12 | 6 |
1977 | 17663 | 8028 | 1948 | 1255 | 588 | 185 | 33 | 13 | 7 |
1978 | 11078 | 4320 | 3342 | 1072 | 400 | 163 | 59 | 15 | 5 |
1979 | 14468 | 1930 | 1552 | 968 | 374 | 164 | 58 | 22 | 8 |
1980 | 16794 | 3668 | 824 | 560 | 314 | 131 | 54 | 18 | 9 |
1981 | 26742 | 3516 | 1299 | 459 | 249 | 132 | 58 | 19 | 8 |
1982 | 50111 | 5994 | 1533 | 537 | 194 | 88 | 45 | 20 | 9 |
1983 | 26529 | 21055 | 3813 | 625 | 172 | 48 | 20 | 6 | 3 |
1984 | 22857 | 5151 | 5683 | 1468 | 273 | 73 | 20 | 6 | 2 |
1985 | 14448 | 6307 | 2113 | 1609 | 530 | 116 | 29 | 6 | 2 |
1986 | 10999 | 3204 | 2418 | 797 | 405 | 157 | 42 | 12 | 3 |
1987 | 9511 | 2502 | 1553 | 878 | 276 | 93 | 31 | 8 | 2 |
1988 | 8797 | 2222 | 1460 | 1037 | 284 | 65 | 16 | 5 | 1 |
1989 | 6798 | 2292 | 1202 | 620 | 439 | 48 | 15 | 3 | 1 |
1990 | 7539 | 1395 | 1209 | 691 | 254 | 174 | 11 | 5 | 1 |
1991 | 6099 | 2085 | 786 | 686 | 336 | 131 | 100 | 5 | 3 |
1992 | 3705 | 1665 | 1173 | 498 | 400 | 160 | 72 | 69 | 4 |
1993 | 5922 | 582 | 881 | 876 | 319 | 205 | 73 | 33 | 37 |
1994 | 9803 | 1403 | 572 | 479 | 413 | 194 | 101 | 46 | 33 |
1995 | 9411 | 2999 | 549 | 329 | 276 | 171 | 77 | 73 | 34 |
1996 | 6653 | 2592 | 1110 | 332 | 218 | 129 | 37 | 30 | 32 |
1997 | 5185 | 1534 | 776 | 640 | 312 | 96 | 64 | 12 | 14 |
1998 | 7492 | 951 | 720 | 263 | 425 | 195 | 34 | 43 | 6 |
1999 | 6686 | 2230 | 949 | 556 | 224 | 163 | 58 | 35 | 18 |
2000 | 8807 | 1355 | 586 | 422 | 261 | 137 | 40 | 22 | 7 |
2001 | 30212 | 2544 | 1128 | 497 | 241 | 94 | 24 | 6 | 4 |
2002 | 13502 | 7436 | 1437 | 342 | 204 | 73 | 23 | 9 | 5 |
2003 | 17120 | 4216 | 1983 | 534 | 201 | 87 | 26 | 9 | 9 |
2004 | 3193 | 3149 | 1149 | 713 | 232 | 71 | 21 | 8 | 4 |
2005 | 1835 | 433 | 695 | 690 | 285 | 73 | 16 | 2 | 3 |
2006 | 2816 | 643 | 551 | 535 | 291 | 77 | 22 | 3 | 1 |
2007 | 4226 | 1345 | 696 | 441 | 214 | 86 | 30 | 14 | 4 |
2008 | 8489 | 1168 | 550 | 480 | 293 | 107 | 39 | 7 | 6 |
2009 | 9508 | 1937 | 1079 | 625 | 269 | 131 | 41 | 16 | 4 |
2010 | 15789 | 2332 | 881 | 469 | 291 | 131 | 74 | 36 | 7 |
2011 | 15486 | 2475 | 808 | 437 | 233 | 128 | 66 | 41 | 13 |
2012 | 15977 | 2798 | 892 | 391 | 202 | 95 | 46 | 30 | 17 |
2013 | 5770 | 4040 | 1553 | 526 | 206 | 75 | 25 | 10 | 10 |