Table 2. Estimated stock numbers.

Year\Age 1 2 3 4 5 6+

199716516 6343 9043 1423 335 135
199813709 10984 2700 2762 395 113
199912469 9067 5905 695 589 111
20007204 8347 3706 1428 168 146
20016634 4277 3044 893 261 61
200211643 4049 1653 635 134 59
20032844 6660 1435 424 161 41
200416331 1869 2235 356 116 66
20057875 9730 542 678 93 51
20068076 4592 2793 152 156 39
20072209 3538 957 526 44 67
20081168 759 524 164 115 27
20093606 415 119 84 30 18
20103062 1437 111 29 14 7
20113310 1493 386 31 9 5
20128373 1657 323 123 16 6
201311493 4195 642 167 46 13
20144136 7611 1393 382 110 35
20153193 1914 2473 912 244 96
20161081 1333 830 973 462 173
20174872 665 503 257 278 150
2018611 1741 112 156 102 140
20191321 354 358 35 38 23
20203211 622 104 108 6 11