Table 2. Estimated stock numbers.

Year\Age 1 2 3 4 5 6+

199713298 6651 10639 1500 394 173
199812774 10525 2602 2657 389 106
199911003 7876 5599 617 553 104
20006088 6532 3478 1368 166 137
20012896 3577 2662 896 243 58
20025881 2251 1093 579 126 59
20031447 2587 594 198 123 30
20046970 1381 1339 206 114 69
20053354 3795 388 470 52 30
20065582 2354 1790 144 110 30
20072080 1960 565 577 42 67
2008742 393 308 110 103 23
20092076 195 63 74 41 19
20101443 1002 76 34 24 12
20111581 940 455 46 17 9
20123432 740 235 200 27 11
20133312 1659 599 143 58 19
20141701 3950 1320 607 141 14
20151174 914 3451 1214 377 168
2016159 794 518 2040 693 332