Table 2b. Estimated stock numbers (millions). | ||||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10+ |
1981 | 3839 | 3449 | 4924 | 2163 | 2665 | 2185 | 1663 | 1717 | 1177 | 2873 |
1982 | 4617 | 2862 | 2528 | 3334 | 1639 | 1555 | 1326 | 1019 | 871 | 1870 |
1983 | 17257 | 3642 | 1873 | 1853 | 1986 | 1245 | 1027 | 863 | 620 | 1262 |
1984 | 17410 | 13687 | 2397 | 1242 | 1293 | 1410 | 827 | 562 | 486 | 938 |
1985 | 9423 | 13097 | 9372 | 1447 | 761 | 914 | 758 | 468 | 274 | 730 |
1986 | 7276 | 6362 | 9300 | 5372 | 920 | 459 | 479 | 383 | 234 | 500 |
1987 | 9096 | 5102 | 4153 | 6642 | 2512 | 397 | 254 | 239 | 159 | 295 |
1988 | 6502 | 6866 | 3591 | 2925 | 3615 | 1209 | 197 | 126 | 100 | 175 |
1989 | 8707 | 4691 | 4986 | 2459 | 2111 | 1648 | 349 | 101 | 59 | 118 |
1990 | 18862 | 6153 | 3161 | 2772 | 1483 | 1166 | 551 | 119 | 33 | 82 |
1991 | 9094 | 15644 | 4390 | 1860 | 1495 | 851 | 542 | 187 | 33 | 44 |
1992 | 6717 | 7378 | 12508 | 3346 | 1300 | 807 | 481 | 283 | 99 | 39 |
1993 | 5012 | 5155 | 5281 | 9672 | 2271 | 991 | 517 | 283 | 155 | 74 |
1994 | 7896 | 3504 | 4044 | 3485 | 6838 | 1458 | 757 | 325 | 200 | 118 |
1995 | 9294 | 5797 | 3125 | 2607 | 2869 | 3809 | 1031 | 533 | 215 | 185 |
1996 | 27144 | 7066 | 4033 | 2384 | 1610 | 1891 | 2243 | 633 | 301 | 243 |
1997 | 43485 | 20783 | 5369 | 2551 | 1452 | 1103 | 1076 | 1212 | 288 | 321 |
1998 | 26811 | 36443 | 15832 | 3440 | 1410 | 947 | 783 | 599 | 614 | 292 |
1999 | 20823 | 20616 | 26560 | 10001 | 1734 | 796 | 533 | 408 | 238 | 424 |
2000 | 39447 | 15622 | 16425 | 15460 | 4291 | 1104 | 476 | 326 | 157 | 313 |
2001 | 56348 | 31446 | 12132 | 10601 | 7406 | 1721 | 501 | 229 | 159 | 183 |
2002 | 49510 | 45442 | 20688 | 8295 | 5496 | 3418 | 717 | 259 | 104 | 156 |
2003 | 52916 | 39278 | 34912 | 13591 | 5014 | 2987 | 1257 | 361 | 93 | 109 |
2004 | 28824 | 42185 | 29834 | 21019 | 7304 | 2440 | 1340 | 539 | 161 | 85 |
2005 | 22267 | 21824 | 28991 | 17922 | 10745 | 3277 | 1106 | 530 | 207 | 105 |
2006 | 9128 | 15936 | 21879 | 19333 | 9338 | 4469 | 1373 | 496 | 226 | 128 |
2007 | 5038 | 6211 | 13501 | 15798 | 10254 | 4628 | 1823 | 622 | 234 | 168 |
2008 | 5700 | 3615 | 4597 | 11131 | 9118 | 4858 | 1846 | 777 | 243 | 197 |
2009 | 5785 | 3961 | 2561 | 3849 | 6974 | 4735 | 2176 | 842 | 326 | 187 |
2010 | 15064 | 4950 | 2444 | 1959 | 3376 | 4293 | 2763 | 1189 | 408 | 260 |
2011 | 18623 | 13001 | 3371 | 1722 | 1654 | 2587 | 2586 | 1397 | 785 | 379 |
2012 | 19055 | 14891 | 11898 | 2400 | 1219 | 1618 | 2233 | 1985 | 1055 | 857 |
2013 | 16642 | 15833 | 11389 | 7329 | 2183 | 1073 | 1287 | 1485 | 1242 | 1263 |
2014 | 38952 | 13136 | 13973 | 8040 | 4419 | 1333 | 844 | 850 | 855 | 1276 |
2015 | 67873 | 33694 | 11335 | 9179 | 4557 | 1863 | 692 | 438 | 353 | 755 |
2016 | 42151 | 60013 | 22625 | 8149 | 5041 | 2151 | 783 | 306 | 163 | 326 |