Table 2. Estimated stock numbers.

Year\Age 1 2 3 4 5 6+

199711976 6374 10867 1538 395 176
199810293 9995 2717 2744 392 109
199911025 7972 5751 632 561 105
20006591 6891 3609 1391 167 139
20013463 3687 2748 889 247 60
20026319 2399 1141 579 127 59
20032232 4062 983 303 115 28
20047497 2020 2045 331 108 66
20053331 3616 374 461 59 33
20065127 2199 1737 141 127 35
20072335 1808 545 520 50 78
2008761 459 388 137 116 28
20092342 266 101 123 51 24
20101624 1421 127 67 36 19
20112123 1021 581 77 26 14
20123478 670 213 284 42 17
20133775 1824 427 114 174 35