Table 2. Estimated stock numbers. | |||||
Year\Age | 0 | 1 | 2 | 3 | 4+ |
1991 | 178303908 | 32966419 | 2264807 | 147709 | 1098 |
1992 | 177414613 | 82722319 | 4425970 | 290686 | 13703 |
1993 | 176883167 | 71270995 | 11617231 | 650177 | 24760 |
1994 | 174773254 | 98149266 | 13020037 | 1142809 | 36026 |
1995 | 172171219 | 73662175 | 17894429 | 2264807 | 46864 |
1996 | 171141285 | 47346336 | 8649396 | 2103262 | 108662 |
1997 | 169438401 | 73957414 | 5914988 | 877647 | 81879 |
1998 | 169438401 | 54679531 | 8385378 | 802109 | 37309 |
1999 | 167249957 | 108146787 | 6865367 | 644352 | 19632 |
2000 | 164430739 | 91696980 | 11217661 | 649527 | 20860 |
2001 | 164759930 | 49278577 | 10448824 | 1273144 | 32273 |
2002 | 165585792 | 57253538 | 6101224 | 645642 | 34030 |
2003 | 166083295 | 76286001 | 5075827 | 410446 | 15101 |
2004 | 166249462 | 73957414 | 6642507 | 417483 | 6511 |
2005 | 163774330 | 100132013 | 7011064 | 423369 | 6982 |
2006 | 162469362 | 48739483 | 11467185 | 656711 | 12153 |
2007 | 162794626 | 47157329 | 5920906 | 973838 | 27750 |
2008 | 164266390 | 52483007 | 5188732 | 513497 | 30516 |
2009 | 163447108 | 110111054 | 5576099 | 505347 | 23553 |
2010 | 162469362 | 75753863 | 18074271 | 923568 | 48972 |
2011 | 162469362 | 51495243 | 9626209 | 2882014 | 110415 |