Table 2. Estimated stock numbers. | ||||||||||
Year\Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9+ |
1960 | 13546315 | 12183564 | 4119409 | 9068679 | 721606 | 912162 | 355901 | 312135 | 312255 | 237143 |
1961 | 88621474 | 4737765 | 3540699 | 1667318 | 4359203 | 419541 | 573171 | 203186 | 165167 | 269097 |
1962 | 42336521 | 33320240 | 1450973 | 1639959 | 912209 | 2700022 | 279215 | 355780 | 123436 | 247907 |
1963 | 40565691 | 15389241 | 11297816 | 772192 | 895619 | 602995 | 1811281 | 180633 | 223247 | 226387 |
1964 | 62884599 | 14604752 | 4839576 | 5813172 | 414815 | 574748 | 410920 | 1239036 | 116908 | 276157 |
1965 | 31254761 | 23147100 | 4468969 | 2419104 | 3155772 | 258958 | 370439 | 276882 | 818706 | 251689 |
1966 | 27913650 | 11290264 | 7127333 | 1968414 | 1111946 | 1750852 | 144527 | 218702 | 155044 | 589686 |
1967 | 37651832 | 9970050 | 3240829 | 2867410 | 717002 | 518867 | 775183 | 73024 | 99737 | 332376 |
1968 | 29043858 | 13520648 | 2657048 | 1069445 | 809751 | 238074 | 179435 | 270921 | 22054 | 136390 |
1969 | 19069876 | 10276444 | 3251065 | 556082 | 165098 | 207665 | 52848 | 36174 | 41262 | 28274 |
1970 | 24013999 | 6867831 | 2874591 | 1116052 | 163578 | 59589 | 67973 | 11925 | 7267 | 17630 |
1971 | 22833062 | 8432883 | 1715311 | 727796 | 226559 | 42072 | 13608 | 9305 | 1046 | 3558 |
1972 | 18796728 | 8024946 | 2138315 | 526724 | 195225 | 80077 | 14572 | 3185 | 2039 | 1308 |
1973 | 8979954 | 6530317 | 2031846 | 710704 | 173703 | 78600 | 35267 | 5913 | 1358 | 1535 |
1974 | 13136264 | 3026365 | 1546957 | 620934 | 201057 | 64439 | 29636 | 12815 | 2356 | 1312 |
1975 | 5255420 | 4449978 | 638801 | 398118 | 139970 | 57133 | 16624 | 9037 | 4037 | 1369 |
1976 | 3389754 | 1666705 | 783549 | 106025 | 47937 | 23212 | 8683 | 3298 | 1429 | 1026 |
1977 | 4981656 | 1113413 | 408777 | 269121 | 25925 | 13284 | 6524 | 2900 | 898 | 742 |
1978 | 5753080 | 1699975 | 308128 | 217100 | 104714 | 10435 | 5797 | 3313 | 1166 | 683 |
1979 | 14232313 | 1995403 | 548535 | 199753 | 150655 | 62855 | 7362 | 4375 | 2205 | 1176 |
1980 | 24182707 | 4949358 | 609846 | 339288 | 131982 | 110787 | 45476 | 5951 | 2979 | 2234 |
1981 | 35188705 | 8137172 | 1507376 | 368653 | 213298 | 92568 | 85312 | 36067 | 4344 | 3639 |
1982 | 54139296 | 11169764 | 2252581 | 845699 | 219159 | 137336 | 64361 | 63015 | 24160 | 5267 |
1983 | 57379870 | 17070964 | 3040102 | 1244372 | 469926 | 139506 | 97039 | 47141 | 43567 | 19957 |
1984 | 49916786 | 17963025 | 4692239 | 1651508 | 683037 | 257870 | 87230 | 65923 | 29882 | 39688 |
1985 | 77446046 | 15563512 | 4840599 | 2465124 | 830647 | 356481 | 133433 | 52460 | 35577 | 35363 |
1986 | 100431405 | 24609342 | 3911646 | 2289765 | 1121908 | 395508 | 165071 | 64388 | 22089 | 25595 |
1987 | 70929881 | 33201691 | 6727312 | 1840909 | 1078244 | 552198 | 180823 | 70805 | 22733 | 13431 |
1988 | 47779036 | 22732377 | 9340350 | 3572099 | 901553 | 562692 | 254072 | 83658 | 28995 | 12260 |
1989 | 38813501 | 15260628 | 6051666 | 4654014 | 1914483 | 446868 | 257916 | 115967 | 35393 | 14061 |
1990 | 41067580 | 12452329 | 4185159 | 3081003 | 2471323 | 1066690 | 214641 | 126334 | 54156 | 19297 |
1991 | 43974423 | 13454024 | 3367727 | 2002137 | 1547560 | 1350955 | 549282 | 106843 | 59028 | 26608 |
1992 | 59382296 | 14483644 | 3937109 | 1689591 | 1087873 | 864928 | 762061 | 297488 | 58521 | 37541 |
1993 | 55977732 | 18829424 | 4181754 | 1964808 | 870512 | 584948 | 434827 | 383733 | 156284 | 40356 |
1994 | 41352437 | 16971899 | 4885222 | 1692687 | 873022 | 368477 | 256398 | 179228 | 162491 | 54772 |
1995 | 40084570 | 13068783 | 4703169 | 2075615 | 743838 | 369124 | 154956 | 102789 | 73068 | 51360 |
1996 | 43410218 | 12295077 | 3285762 | 1703296 | 685833 | 264332 | 122525 | 45278 | 30464 | 14466 |
1997 | 28573484 | 14838678 | 3554878 | 1489031 | 789984 | 330039 | 115078 | 48557 | 19010 | 10288 |
1998 | 24072616 | 10001544 | 4849465 | 1819843 | 671395 | 388150 | 150823 | 40861 | 17471 | 4426 |
1999 | 50732171 | 8708196 | 3286960 | 2694326 | 958875 | 384934 | 191544 | 60595 | 16053 | 3984 |
2000 | 37820671 | 17811686 | 3029944 | 1753551 | 1415430 | 492239 | 182510 | 75496 | 22214 | 3209 |
2001 | 64601325 | 13173974 | 6056416 | 1797505 | 944271 | 767736 | 244231 | 83120 | 31788 | 5262 |
2002 | 30853926 | 23614399 | 4468265 | 3857669 | 1037609 | 541878 | 429723 | 131790 | 43466 | 11898 |
2003 | 17525905 | 10845139 | 8354907 | 2720941 | 2391450 | 594515 | 304880 | 233104 | 68383 | 17236 |
2004 | 19726913 | 6193532 | 3638076 | 5255979 | 1667293 | 1474455 | 321152 | 173415 | 124099 | 30615 |
2005 | 14955740 | 6894973 | 2102666 | 2160450 | 3155184 | 960985 | 786496 | 169198 | 88822 | 48197 |
2006 | 14940568 | 5031663 | 2253959 | 1224626 | 1239544 | 1744392 | 459342 | 393174 | 78405 | 38594 |
2007 | 16800134 | 5067759 | 1632384 | 1206438 | 683078 | 625867 | 862147 | 220874 | 171066 | 25158 |
2008 | 18584106 | 5772655 | 1790964 | 999985 | 712489 | 416513 | 362889 | 499843 | 125183 | 75146 |
2009 | 25612945 | 6522216 | 1983380 | 1080829 | 617856 | 432831 | 245864 | 222545 | 291824 | 82016 |
2010 | 23503920 | 8998135 | 2311462 | 1273939 | 709159 | 420468 | 301120 | 170834 | 149030 | 186789 |
2011 | 19045373 | 8316031 | 3114356 | 1497679 | 929099 | 505588 | 308458 | 221978 | 122912 | 193766 |
2012 | 18543868 | 6647875 | 2865868 | 2057461 | 1029051 | 662735 | 343139 | 225165 | 155737 | 175467 |
2013 | 24009796 | 6542709 | 2204503 | 1801534 | 1298616 | 646054 | 411559 | 223134 | 138399 | 137992 |
2014 | 58065964 | 8486376 | 2284143 | 1338683 | 1160093 | 819390 | 385625 | 253752 | 126143 | 97691 |
2015 | 56410147 | 20417651 | 2943501 | 1431275 | 834924 | 697726 | 461439 | 222218 | 131268 | 65768 |
2016 | 54801547 | 19847450 | 7087047 | 1847995 | 895265 | 504183 | 394629 | 266923 | 115459 | 58368 |
2017 | 53238818 | 19293015 | 6894107 | 4457885 | 1159243 | 542781 | 286389 | 229141 | 139290 | 51911 |