Table 2. Estimated stock numbers. | |||||
Year\Age | 0 | 1 | 2 | 3 | 4+ |
1991 | 205920350 | 38378194 | 2568930 | 194269 | 1121 |
1992 | 228489314 | 84731670 | 4857333 | 308353 | 18001 |
1993 | 260991918 | 94584105 | 10627973 | 593030 | 25822 |
1994 | 179736060 | 108471714 | 12043071 | 1271872 | 36938 |
1995 | 131563476 | 73957414 | 13687588 | 1547266 | 59278 |
1996 | 158934067 | 53811621 | 8984397 | 1649528 | 97734 |
1997 | 152092584 | 65659969 | 6563273 | 979698 | 80741 |
1998 | 240444536 | 62520184 | 7968446 | 702921 | 40946 |
1999 | 175473747 | 100232195 | 7564675 | 795718 | 21190 |
2000 | 107930709 | 72929224 | 12127668 | 755398 | 18433 |
2001 | 121448395 | 44589100 | 8692751 | 1181151 | 23790 |
2002 | 143092238 | 49973329 | 5272420 | 736011 | 31288 |
2003 | 175298361 | 58997168 | 5832755 | 429768 | 16220 |
2004 | 231710661 | 72348118 | 6851650 | 454976 | 7941 |
2005 | 116104360 | 96205780 | 8478126 | 515040 | 7527 |
2006 | 97172664 | 47488589 | 11478658 | 706445 | 11773 |
2007 | 139838676 | 39824784 | 5734436 | 1021722 | 21423 |
2008 | 276024448 | 57425557 | 4886564 | 546888 | 28538 |
2009 | 192768395 | 115640870 | 7239046 | 532320 | 22765 |
2010 | 128315162 | 79797282 | 14991591 | 933784 | 45524 |
2011 | 129734421 | 52693360 | 10262428 | 2045187 | 96858 |