Table 2. Estimated stock numbers. | ||||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10+ |
1950 | 2537 | 1825 | 1523 | 1237 | 911 | 620 | 395 | 203 | 73 | 45 |
1951 | 2537 | 2180 | 1813 | 1472 | 1076 | 731 | 468 | 242 | 87 | 53 |
1952 | 2519 | 2570 | 2167 | 1783 | 1308 | 794 | 476 | 240 | 90 | 53 |
1953 | 2478 | 2697 | 2295 | 1918 | 1421 | 758 | 413 | 199 | 80 | 44 |
1954 | 2682 | 2292 | 1905 | 1577 | 1158 | 673 | 396 | 197 | 76 | 44 |
1955 | 2677 | 2061 | 1665 | 1398 | 1042 | 548 | 305 | 147 | 60 | 33 |
1956 | 2697 | 2089 | 1617 | 1368 | 1038 | 528 | 297 | 141 | 59 | 32 |
1957 | 2524 | 1783 | 1609 | 1570 | 1235 | 553 | 166 | 71 | 22 | 11 |
1958 | 2585 | 2479 | 3003 | 1978 | 1587 | 774 | 294 | 96 | 33 | 16 |
1959 | 2572 | 3693 | 3951 | 2881 | 1381 | 739 | 337 | 108 | 33 | 21 |
1960 | 2512 | 3132 | 1634 | 1249 | 778 | 475 | 243 | 99 | 26 | 18 |
1961 | 2587 | 1089 | 1566 | 1504 | 901 | 546 | 250 | 127 | 39 | 21 |
1962 | 2716 | 1734 | 1546 | 1577 | 711 | 571 | 273 | 121 | 35 | 10 |
1963 | 2719 | 5051 | 2636 | 1386 | 1078 | 758 | 402 | 159 | 34 | 15 |
1964 | 2691 | 3027 | 4235 | 1934 | 1117 | 613 | 308 | 144 | 42 | 14 |
1965 | 2772 | 1392 | 2018 | 2109 | 1135 | 483 | 258 | 124 | 42 | 22 |
1966 | 2867 | 2587 | 1637 | 1430 | 1182 | 667 | 302 | 132 | 36 | 21 |
1967 | 2790 | 7075 | 3215 | 1737 | 811 | 566 | 220 | 107 | 37 | 21 |
1968 | 2647 | 4302 | 4167 | 2585 | 972 | 543 | 269 | 105 | 30 | 15 |
1969 | 2454 | 4003 | 4678 | 3321 | 1282 | 600 | 238 | 98 | 29 | 18 |
1970 | 1641 | 10051 | 5452 | 1778 | 2604 | 1014 | 550 | 210 | 120 | 131 |
1971 | 1130 | 350 | 836 | 4910 | 1026 | 658 | 351 | 119 | 60 | 55 |
1972 | 1265 | 414 | 1229 | 679 | 1078 | 738 | 433 | 214 | 101 | 114 |
1973 | 1223 | 773 | 846 | 947 | 1410 | 841 | 516 | 243 | 127 | 183 |
1974 | 1030 | 540 | 125 | 165 | 246 | 385 | 265 | 124 | 87 | 157 |
1975 | 1392 | 63 | 250 | 566 | 768 | 382 | 177 | 76 | 32 | 44 |
1976 | 1422 | 6347 | 1701 | 706 | 590 | 388 | 192 | 81 | 53 | 144 |
1977 | 1342 | 4518 | 1117 | 546 | 456 | 413 | 275 | 130 | 100 | 261 |
1978 | 1138 | 5450 | 1561 | 1284 | 1246 | 622 | 325 | 143 | 83 | 138 |
1979 | 961 | 1069 | 3360 | 2754 | 2696 | 1585 | 838 | 363 | 213 | 443 |
1980 | 722 | 4456 | 1673 | 1198 | 1239 | 1031 | 543 | 251 | 115 | 234 |
1981 | 456 | 8518 | 1749 | 763 | 646 | 784 | 638 | 474 | 227 | 371 |
1982 | 275 | 53 | 2619 | 2148 | 1774 | 1034 | 680 | 420 | 310 | 688 |
1983 | 232 | 64 | 3114 | 2903 | 3567 | 1384 | 786 | 442 | 307 | 652 |
1984 | 150 | 53 | 1219 | 1530 | 532 | 564 | 345 | 400 | 196 | 518 |
1985 | 118 | 42 | 28 | 86 | 64 | 75 | 70 | 51 | 54 | 120 |
1986 | 92 | 41 | 3 | 9 | 76 | 54 | 67 | 2 | 10 | 123 |
1987 | 71 | 36 | 76 | 271 | 182 | 457 | 94 | 94 | 29 | 146 |
1988 | 54 | 33 | 4 | 8 | 275 | 290 | 169 | 226 | 28 | 180 |
1989 | 17401 | 4232 | 1645 | 834 | 574 | 530 | 188 | 78 | 37 | 120 |
1990 | 52470 | 14643 | 2578 | 1603 | 753 | 242 | 127 | 75 | 23 | 63 |
1991 | 91309 | 16933 | 4254 | 1262 | 476 | 288 | 145 | 28 | 11 | 11 |
1992 | 23365 | 8737 | 939 | 381 | 123 | 73 | 54 | 29 | 4 | 4 |
1993 | 201390 | 56162 | 7734 | 1358 | 336 | 107 | 42 | 35 | 15 | 4 |
1994 | 697 | 19990 | 7427 | 2399 | 1219 | 291 | 138 | 96 | 50 | 15 |
1995 | 15087 | 10482 | 1258 | 3129 | 2740 | 1051 | 257 | 47 | 4 | 4 |
1996 | 51534 | 5983 | 767 | 970 | 759 | 696 | 226 | 84 | 13 | 0 |
1997 | 12 | 2 | 949 | 351 | 194 | 159 | 150 | 60 | 16 | 4 |
1998 | 19 | 2 | 120 | 191 | 316 | 515 | 198 | 100 | 15 | 0 |
1999 | 32 | 2 | 694 | 674 | 278 | 480 | 270 | 44 | 16 | 8 |
2000 | 12602 | 9015 | 965 | 783 | 389 | 200 | 338 | 169 | 70 | 21 |
2001 | 45 | 1801 | 447 | 644 | 691 | 635 | 145 | 29 | 3 | 9 |
2002 | 41 | 3019 | 1350 | 481 | 334 | 179 | 92 | 7 | 1 | 1 |
2003 | 6911 | 1296 | 434 | 163 | 166 | 179 | 142 | 25 | 1 | 1 |
2004 | 3866 | 1122 | 500 | 246 | 183 | 168 | 92 | 42 | 6 | 0 |
2005 | 2617 | 3297 | 1138 | 599 | 280 | 152 | 143 | 102 | 12 | 4 |
2006 | 20433 | 4418 | 1443 | 1103 | 500 | 224 | 126 | 23 | 23 | 0 |
2007 | 17235 | 4578 | 1791 | 1541 | 553 | 209 | 76 | 14 | 13 | 1 |
2008 | 5458 | 3600 | 841 | 762 | 365 | 192 | 113 | 38 | 6 | 2 |
2009 | 12 | 1493 | 861 | 474 | 243 | 137 | 152 | 29 | 4 | 0 |
2010 | 13876 | 304 | 182 | 287 | 284 | 201 | 93 | 39 | 11 | 3 |
2011 | 187400 | 4534 | 301 | 143 | 107 | 43 | 41 | 38 | 15 | 5 |