Table 2b. Estimated stock numbers (millions). | ||||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10+ |
1981 | 3842 | 3449 | 4924 | 2162 | 2665 | 2184 | 1662 | 1717 | 1178 | 2875 |
1982 | 4619 | 2864 | 2528 | 3334 | 1638 | 1554 | 1326 | 1019 | 871 | 1871 |
1983 | 17257 | 3644 | 1873 | 1853 | 1985 | 1245 | 1027 | 863 | 620 | 1262 |
1984 | 17405 | 13693 | 2397 | 1242 | 1293 | 1410 | 827 | 562 | 486 | 937 |
1985 | 9422 | 13096 | 9377 | 1447 | 760 | 914 | 758 | 468 | 274 | 730 |
1986 | 7276 | 6361 | 9300 | 5374 | 920 | 459 | 479 | 383 | 234 | 500 |
1987 | 9097 | 5101 | 4151 | 6646 | 2513 | 397 | 254 | 238 | 159 | 295 |
1988 | 6504 | 6868 | 3590 | 2925 | 3616 | 1209 | 197 | 126 | 100 | 174 |
1989 | 8706 | 4691 | 4987 | 2459 | 2111 | 1648 | 349 | 101 | 59 | 118 |
1990 | 18862 | 6151 | 3161 | 2772 | 1483 | 1167 | 552 | 119 | 33 | 82 |
1991 | 9097 | 15648 | 4389 | 1859 | 1496 | 851 | 542 | 187 | 33 | 44 |
1992 | 6716 | 7382 | 12509 | 3346 | 1300 | 807 | 482 | 283 | 99 | 39 |
1993 | 5010 | 5155 | 5282 | 9676 | 2271 | 990 | 517 | 284 | 155 | 74 |
1994 | 7902 | 3501 | 4046 | 3484 | 6842 | 1458 | 758 | 325 | 201 | 118 |
1995 | 9296 | 5800 | 3125 | 2607 | 2870 | 3809 | 1032 | 533 | 215 | 185 |
1996 | 27148 | 7067 | 4034 | 2385 | 1609 | 1892 | 2243 | 633 | 301 | 243 |
1997 | 43492 | 20786 | 5370 | 2551 | 1452 | 1103 | 1076 | 1212 | 288 | 322 |
1998 | 26798 | 36464 | 15838 | 3441 | 1409 | 947 | 783 | 599 | 614 | 292 |
1999 | 20811 | 20607 | 26576 | 10010 | 1734 | 796 | 533 | 408 | 238 | 424 |
2000 | 39433 | 15609 | 16425 | 15465 | 4292 | 1104 | 476 | 326 | 157 | 313 |
2001 | 56257 | 31439 | 12124 | 10600 | 7408 | 1721 | 501 | 229 | 160 | 183 |
2002 | 49408 | 45383 | 20672 | 8292 | 5494 | 3419 | 716 | 258 | 104 | 156 |
2003 | 52701 | 39193 | 34867 | 13578 | 5012 | 2984 | 1257 | 361 | 93 | 109 |
2004 | 28711 | 42000 | 29774 | 20985 | 7295 | 2438 | 1339 | 538 | 161 | 85 |
2005 | 22150 | 21741 | 28891 | 17888 | 10727 | 3272 | 1104 | 528 | 206 | 105 |
2006 | 9076 | 15841 | 21813 | 19278 | 9320 | 4459 | 1370 | 495 | 225 | 128 |
2007 | 5002 | 6170 | 13437 | 15751 | 10227 | 4619 | 1818 | 620 | 234 | 167 |
2008 | 5662 | 3584 | 4567 | 11085 | 9088 | 4842 | 1841 | 775 | 242 | 196 |
2009 | 5740 | 3933 | 2541 | 3826 | 6941 | 4715 | 2167 | 838 | 324 | 186 |
2010 | 14912 | 4913 | 2425 | 1944 | 3355 | 4270 | 2750 | 1183 | 405 | 259 |
2011 | 18422 | 12871 | 3342 | 1709 | 1642 | 2570 | 2570 | 1390 | 780 | 376 |
2012 | 18818 | 14728 | 11787 | 2377 | 1208 | 1607 | 2219 | 1973 | 1050 | 851 |
2013 | 16382 | 15639 | 11257 | 7249 | 2161 | 1063 | 1277 | 1474 | 1233 | 1254 |
2014 | 38204 | 12922 | 13776 | 7933 | 4360 | 1316 | 835 | 841 | 846 | 1262 |
2015 | 66440 | 33010 | 11124 | 9003 | 4469 | 1824 | 677 | 429 | 345 | 738 |
2016 | 41155 | 58738 | 22076 | 7945 | 4902 | 2089 | 757 | 294 | 158 | 314 |