Table 2. Estimated stock numbers. | ||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8+ |
1963 | 488454 | 186093 | 21455 | 10298 | 8249 | 3211 | 210 | 1055 |
1964 | 810981 | 133119 | 52523 | 11736 | 5250 | 4323 | 1551 | 498 |
1965 | 1035091 | 229120 | 39975 | 22971 | 6438 | 2546 | 1874 | 942 |
1966 | 1275693 | 272938 | 67171 | 16510 | 9794 | 3459 | 1227 | 1331 |
1967 | 1104607 | 337729 | 71826 | 28681 | 7783 | 4724 | 1894 | 1111 |
1968 | 543074 | 296262 | 88965 | 27861 | 13950 | 3370 | 2089 | 1234 |
1969 | 484562 | 140646 | 74533 | 33860 | 11184 | 6409 | 1448 | 1428 |
1970 | 1573794 | 131400 | 38523 | 32435 | 15324 | 4732 | 2671 | 1208 |
1971 | 2099060 | 416233 | 33624 | 14910 | 15558 | 6847 | 2242 | 1833 |
1972 | 530725 | 532320 | 90129 | 12126 | 6001 | 6644 | 3234 | 1932 |
1973 | 761465 | 123748 | 106404 | 29407 | 4927 | 2424 | 2545 | 1763 |
1974 | 738961 | 180773 | 24539 | 36864 | 11179 | 2149 | 997 | 1892 |
1975 | 1288514 | 172129 | 37534 | 9780 | 16157 | 4803 | 926 | 1116 |
1976 | 880284 | 295079 | 34269 | 13750 | 4060 | 6551 | 2123 | 702 |
1977 | 2160824 | 177371 | 52418 | 11317 | 5364 | 1834 | 2500 | 1345 |
1978 | 1349170 | 449549 | 31477 | 18875 | 5370 | 2301 | 806 | 1369 |
1979 | 1634749 | 270222 | 80258 | 9471 | 7373 | 1923 | 908 | 814 |
1980 | 2589564 | 312388 | 58396 | 25261 | 4204 | 3000 | 946 | 738 |
1981 | 1049684 | 484077 | 58747 | 17836 | 9263 | 1799 | 1291 | 624 |
1982 | 1739312 | 190613 | 90310 | 17079 | 6761 | 3835 | 830 | 801 |
1983 | 963184 | 321901 | 32794 | 21175 | 5538 | 2482 | 1318 | 693 |
1984 | 1711704 | 180232 | 52418 | 8143 | 6888 | 2079 | 927 | 835 |
1985 | 424217 | 331705 | 33658 | 14876 | 2893 | 2686 | 811 | 733 |
1986 | 1852414 | 85991 | 58689 | 10355 | 5530 | 1177 | 1094 | 688 |
1987 | 712831 | 383080 | 16501 | 15567 | 3201 | 1974 | 439 | 721 |
1988 | 492377 | 152360 | 69703 | 5203 | 5077 | 1257 | 646 | 443 |
1989 | 838190 | 108880 | 30607 | 17810 | 1896 | 1930 | 475 | 474 |
1990 | 338067 | 183689 | 20488 | 8068 | 5343 | 735 | 669 | 372 |
1991 | 388093 | 77575 | 31634 | 6242 | 2794 | 2022 | 366 | 447 |
1992 | 869784 | 93246 | 15341 | 9127 | 2123 | 1014 | 688 | 328 |
1993 | 452707 | 207524 | 18712 | 5278 | 3051 | 828 | 392 | 414 |
1994 | 1043405 | 112196 | 38101 | 5880 | 1909 | 1123 | 313 | 359 |
1995 | 606828 | 256017 | 24222 | 10870 | 1960 | 727 | 413 | 304 |
1996 | 384616 | 144062 | 39458 | 5888 | 3311 | 722 | 282 | 354 |
1997 | 1177613 | 100710 | 27174 | 9983 | 2072 | 1162 | 261 | 256 |
1998 | 146239 | 311452 | 22015 | 7611 | 3166 | 792 | 405 | 219 |
1999 | 259367 | 38677 | 56444 | 5662 | 2223 | 961 | 323 | 300 |
2000 | 471182 | 71254 | 9004 | 11551 | 1599 | 694 | 296 | 255 |
2001 | 171785 | 131400 | 14682 | 2324 | 2459 | 377 | 230 | 256 |
2002 | 251450 | 49811 | 26609 | 4183 | 658 | 701 | 127 | 248 |
2003 | 130353 | 70545 | 11143 | 7723 | 1233 | 230 | 254 | 199 |
2004 | 207731 | 39616 | 15132 | 3407 | 2363 | 430 | 99 | 231 |
2005 | 162430 | 56162 | 8592 | 3923 | 1139 | 915 | 182 | 210 |
2006 | 362217 | 47335 | 12558 | 2476 | 1239 | 446 | 439 | 244 |
2007 | 172992 | 101417 | 10319 | 4368 | 1107 | 509 | 187 | 458 |
2008 | 198988 | 47954 | 23671 | 3608 | 1820 | 556 | 283 | 441 |
2009 | 201793 | 55050 | 11718 | 8259 | 1575 | 778 | 254 | 521 |
2010 | 305590 | 57354 | 13694 | 4554 | 3735 | 698 | 395 | 483 |
2011 | 153277 | 83952 | 14657 | 5213 | 2283 | 1975 | 368 | 653 |
2012 | 206902 | 42916 | 22584 | 7231 | 2553 | 1339 | 1215 | 657 |
2013 | 259367 | 53960 | 12199 | 10728 | 3955 | 1329 | 924 | 1291 |
2014 | 388481 | 65251 | 16117 | 6094 | 5793 | 2231 | 794 | 1577 |
2015 | 282660 | 101417 | 19021 | 8131 | 3337 | 3543 | 1509 | 1835 |