Table 2. Estimated stock numbers. | |||||||||
Year\Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1968 | 10379 | 2687 | 2197 | 2730 | 883 | 274 | 91 | 25 | 16 |
1969 | 2213 | 4874 | 2081 | 1455 | 957 | 258 | 92 | 41 | 24 |
1970 | 3375 | 227 | 2562 | 1760 | 804 | 343 | 97 | 37 | 17 |
1971 | 8823 | 643 | 849 | 1263 | 988 | 307 | 108 | 43 | 22 |
1972 | 21320 | 2197 | 1557 | 1824 | 821 | 288 | 103 | 38 | 12 |
1973 | 32893 | 6229 | 1515 | 1594 | 922 | 190 | 70 | 25 | 21 |
1974 | 24810 | 10799 | 3099 | 874 | 389 | 254 | 126 | 46 | 12 |
1975 | 40417 | 4275 | 1990 | 1199 | 404 | 184 | 78 | 34 | 19 |
1976 | 59516 | 10161 | 3687 | 1629 | 598 | 120 | 37 | 11 | 6 |
1977 | 44981 | 19132 | 1896 | 1299 | 637 | 192 | 29 | 15 | 8 |
1978 | 26476 | 12049 | 5337 | 1277 | 383 | 166 | 67 | 19 | 7 |
1979 | 33090 | 4606 | 2703 | 1105 | 424 | 201 | 78 | 35 | 16 |
1980 | 32177 | 8871 | 1278 | 649 | 330 | 145 | 73 | 30 | 19 |
1981 | 53316 | 6155 | 2055 | 626 | 294 | 153 | 72 | 26 | 12 |
1982 | 97246 | 12307 | 2966 | 861 | 281 | 120 | 62 | 33 | 17 |
1983 | 39458 | 44846 | 6832 | 913 | 231 | 64 | 27 | 11 | 5 |
1984 | 35882 | 6701 | 8026 | 2021 | 357 | 97 | 29 | 10 | 5 |
1985 | 24490 | 9772 | 2833 | 2065 | 696 | 156 | 40 | 10 | 4 |
1986 | 18496 | 5643 | 4077 | 1146 | 525 | 229 | 70 | 24 | 7 |
1987 | 14771 | 4345 | 2413 | 1370 | 416 | 152 | 61 | 19 | 5 |
1988 | 10120 | 3799 | 2771 | 1690 | 495 | 111 | 36 | 15 | 5 |
1989 | 6684 | 2475 | 1570 | 1000 | 599 | 125 | 39 | 17 | 11 |
1990 | 6792 | 1335 | 1226 | 681 | 310 | 163 | 32 | 16 | 15 |
1991 | 4882 | 1756 | 695 | 691 | 318 | 146 | 75 | 21 | 19 |
1992 | 5086 | 1595 | 956 | 435 | 357 | 160 | 70 | 48 | 21 |
1993 | 5437 | 607 | 815 | 813 | 268 | 192 | 76 | 30 | 15 |
1994 | 5083 | 1386 | 605 | 354 | 372 | 146 | 110 | 46 | 13 |
1995 | 3287 | 2340 | 556 | 331 | 228 | 150 | 58 | 76 | 11 |
1996 | 5211 | 1472 | 1002 | 351 | 222 | 118 | 47 | 24 | 29 |
1997 | 4391 | 1243 | 525 | 611 | 319 | 101 | 67 | 12 | 13 |
1998 | 7987 | 757 | 566 | 157 | 375 | 162 | 29 | 38 | 4 |
1999 | 9601 | 2229 | 898 | 509 | 193 | 153 | 46 | 37 | 13 |
2000 | 6782 | 1353 | 543 | 398 | 240 | 140 | 39 | 21 | 5 |
2001 | 35383 | 2575 | 1306 | 563 | 245 | 89 | 21 | 4 | 3 |
2002 | 10948 | 7337 | 1422 | 310 | 196 | 70 | 22 | 9 | 5 |
2003 | 24959 | 4383 | 1943 | 513 | 193 | 84 | 25 | 8 | 10 |
2004 | 2819 | 3067 | 1009 | 667 | 223 | 73 | 24 | 8 | 4 |
2005 | 1321 | 378 | 601 | 665 | 273 | 70 | 15 | 2 | 3 |
2006 | 2199 | 542 | 516 | 507 | 276 | 71 | 19 | 3 | 1 |
2007 | 3727 | 1289 | 657 | 422 | 193 | 77 | 31 | 14 | 4 |
2008 | 9248 | 1019 | 488 | 459 | 283 | 102 | 36 | 6 | 5 |
2009 | 8947 | 1897 | 987 | 619 | 252 | 122 | 37 | 14 | 3 |
2010 | 13421 | 2152 | 844 | 453 | 284 | 125 | 70 | 37 | 5 |
2011 | 18611 | 1888 | 692 | 409 | 236 | 133 | 66 | 40 | 13 |
2012 | 44002 | 2258 | 717 | 356 | 211 | 114 | 57 | 31 | 15 |