Table 2. Estimated stock numbers. | |||||||||
Year\Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1968 | 37571 | 5919 | 2472 | 2359 | 799 | 247 | 93 | 26 | 17 |
1969 | 6835 | 9072 | 2970 | 1465 | 869 | 239 | 84 | 35 | 22 |
1970 | 12744 | 1098 | 3386 | 1853 | 751 | 299 | 86 | 31 | 18 |
1971 | 16607 | 2699 | 1411 | 1540 | 919 | 284 | 96 | 32 | 18 |
1972 | 21562 | 3919 | 2586 | 1797 | 793 | 275 | 93 | 29 | 10 |
1973 | 28254 | 5791 | 2117 | 1701 | 854 | 204 | 78 | 22 | 15 |
1974 | 13110 | 8384 | 3256 | 1061 | 489 | 239 | 103 | 37 | 9 |
1975 | 20278 | 2859 | 2261 | 1340 | 446 | 198 | 73 | 26 | 13 |
1976 | 32209 | 5434 | 2732 | 1576 | 667 | 142 | 38 | 11 | 5 |
1977 | 22584 | 10880 | 1778 | 1294 | 615 | 224 | 33 | 12 | 5 |
1978 | 11098 | 6420 | 3898 | 1177 | 445 | 184 | 76 | 19 | 6 |
1979 | 14982 | 2371 | 2140 | 1159 | 445 | 216 | 76 | 31 | 11 |
1980 | 12978 | 3603 | 982 | 682 | 353 | 159 | 70 | 24 | 14 |
1981 | 18404 | 3035 | 1384 | 533 | 286 | 145 | 65 | 22 | 10 |
1982 | 36279 | 5445 | 1697 | 654 | 232 | 102 | 49 | 22 | 12 |
1983 | 11868 | 14731 | 3541 | 706 | 214 | 61 | 25 | 8 | 4 |
1984 | 17652 | 2994 | 4420 | 1415 | 306 | 87 | 24 | 8 | 3 |
1985 | 14390 | 4948 | 1610 | 1435 | 547 | 132 | 34 | 8 | 3 |
1986 | 12969 | 3534 | 2402 | 781 | 423 | 182 | 52 | 16 | 4 |
1987 | 11673 | 3087 | 1777 | 964 | 310 | 123 | 48 | 13 | 4 |
1988 | 9839 | 2741 | 1787 | 1229 | 347 | 87 | 32 | 12 | 4 |
1989 | 7225 | 2248 | 1191 | 755 | 551 | 81 | 29 | 14 | 8 |
1990 | 9190 | 1433 | 1039 | 515 | 248 | 128 | 24 | 12 | 10 |
1991 | 6176 | 2076 | 636 | 451 | 192 | 86 | 49 | 13 | 11 |
1992 | 5564 | 1704 | 1004 | 377 | 265 | 111 | 48 | 32 | 13 |
1993 | 7200 | 825 | 806 | 666 | 221 | 153 | 59 | 24 | 14 |
1994 | 8235 | 1598 | 593 | 357 | 290 | 113 | 86 | 34 | 12 |
1995 | 4584 | 2605 | 646 | 324 | 216 | 121 | 49 | 58 | 11 |
1996 | 7624 | 1468 | 1107 | 382 | 204 | 117 | 38 | 22 | 23 |
1997 | 5101 | 1595 | 540 | 640 | 302 | 96 | 61 | 11 | 11 |
1998 | 9707 | 995 | 675 | 191 | 366 | 149 | 30 | 33 | 4 |
1999 | 9670 | 2433 | 906 | 504 | 190 | 144 | 43 | 28 | 12 |
2000 | 6737 | 1644 | 680 | 436 | 243 | 127 | 34 | 18 | 5 |
2001 | 31257 | 2511 | 1186 | 540 | 241 | 88 | 22 | 5 | 4 |
2002 | 10331 | 7219 | 1382 | 348 | 206 | 72 | 22 | 9 | 5 |
2003 | 22743 | 4050 | 2011 | 527 | 191 | 80 | 24 | 8 | 8 |
2004 | 3200 | 3424 | 1161 | 681 | 221 | 68 | 21 | 7 | 4 |
2005 | 2482 | 481 | 736 | 651 | 269 | 69 | 14 | 2 | 3 |
2006 | 4286 | 702 | 527 | 494 | 270 | 72 | 20 | 3 | 1 |
2007 | 4209 | 1469 | 676 | 423 | 203 | 79 | 27 | 12 | 3 |
2008 | 10060 | 1176 | 580 | 462 | 276 | 100 | 34 | 6 | 4 |
2009 | 7828 | 2120 | 987 | 586 | 257 | 125 | 39 | 13 | 2 |
2010 | 11290 | 2010 | 935 | 480 | 294 | 128 | 68 | 31 | 5 |
2011 | 11974 | 2012 | 786 | 461 | 250 | 137 | 63 | 36 | 9 |
2012 | 21657 | 2245 | 844 | 400 | 228 | 116 | 55 | 27 | 11 |