Table 2. Estimated stock numbers. | ||||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10+ |
1981 | 3555 | 3961 | 4634 | 2660 | 2446 | 2240 | 1759 | 1834 | 1421 | 2991 |
1982 | 4369 | 2679 | 2868 | 3179 | 1816 | 1566 | 1338 | 1020 | 955 | 2236 |
1983 | 13606 | 3352 | 1971 | 2053 | 2191 | 1254 | 999 | 837 | 587 | 1796 |
1984 | 17227 | 10252 | 2395 | 1356 | 1399 | 1440 | 767 | 580 | 446 | 1267 |
1985 | 10671 | 12813 | 7124 | 1560 | 862 | 877 | 797 | 416 | 281 | 844 |
1986 | 8024 | 7834 | 8949 | 4462 | 947 | 508 | 466 | 410 | 192 | 531 |
1987 | 8521 | 5786 | 5309 | 5493 | 2318 | 467 | 231 | 207 | 155 | 280 |
1988 | 6907 | 6262 | 4049 | 3471 | 3094 | 1139 | 213 | 106 | 82 | 181 |
1989 | 9436 | 5101 | 4422 | 2660 | 2103 | 1558 | 467 | 97 | 43 | 115 |
1990 | 20604 | 6879 | 3534 | 2693 | 1514 | 1067 | 608 | 184 | 36 | 64 |
1991 | 9212 | 15402 | 4809 | 2204 | 1493 | 772 | 454 | 236 | 67 | 40 |
1992 | 6472 | 7181 | 11888 | 3447 | 1517 | 941 | 464 | 264 | 133 | 63 |
1993 | 5587 | 5020 | 5455 | 8572 | 2355 | 1023 | 585 | 279 | 152 | 117 |
1994 | 6466 | 4360 | 3829 | 3906 | 5885 | 1572 | 677 | 365 | 167 | 165 |
1995 | 9102 | 5061 | 3399 | 2763 | 2736 | 3894 | 1030 | 433 | 219 | 206 |
1996 | 22612 | 7089 | 3832 | 2400 | 1816 | 1759 | 2383 | 610 | 238 | 246 |
1997 | 39075 | 17435 | 5320 | 2548 | 1497 | 1128 | 1022 | 1304 | 303 | 259 |
1998 | 29385 | 30493 | 13072 | 3555 | 1549 | 944 | 678 | 573 | 655 | 299 |
1999 | 24891 | 22454 | 22342 | 7921 | 1894 | 858 | 496 | 331 | 237 | 436 |
2000 | 38110 | 19250 | 16802 | 14133 | 4189 | 1093 | 471 | 265 | 149 | 331 |
2001 | 57887 | 29122 | 14175 | 10355 | 6872 | 1975 | 504 | 217 | 102 | 203 |
2002 | 50174 | 44367 | 21338 | 9020 | 5400 | 3338 | 887 | 240 | 89 | 134 |
2003 | 50779 | 38571 | 32868 | 13592 | 4828 | 2613 | 1393 | 389 | 92 | 92 |
2004 | 39310 | 39075 | 28803 | 21105 | 7437 | 2441 | 1194 | 649 | 169 | 84 |
2005 | 25141 | 30129 | 28660 | 17966 | 10639 | 3318 | 995 | 483 | 251 | 104 |
2006 | 10908 | 19385 | 22771 | 18643 | 9492 | 4766 | 1401 | 423 | 196 | 154 |
2007 | 5554 | 8495 | 14902 | 15572 | 10639 | 4737 | 2224 | 675 | 197 | 174 |
2008 | 4360 | 4317 | 6531 | 10428 | 8931 | 5091 | 2045 | 980 | 299 | 177 |
2009 | 5548 | 3352 | 3328 | 4775 | 6420 | 4538 | 2343 | 926 | 459 | 238 |
2010 | 16063 | 4430 | 2584 | 2554 | 3496 | 4049 | 2645 | 1353 | 546 | 429 |
2011 | 20501 | 12955 | 3489 | 1934 | 1922 | 2441 | 2546 | 1607 | 859 | 642 |
2012 | 21445 | 16618 | 10564 | 2775 | 1512 | 1561 | 1961 | 1973 | 1248 | 1173 |
2013 | 12422 | 17435 | 13217 | 8073 | 2137 | 1121 | 1134 | 1368 | 1361 | 1722 |
2014 | 12311 | 9890 | 13881 | 9880 | 5649 | 1397 | 705 | 684 | 820 | 1949 |
2015 | 12311 | 9540 | 7482 | 9370 | 6089 | 2876 | 609 | 283 | 277 | 1285 |