Table 2. Estimated stock numbers. | |||||
Year\Age | 0 | 1 | 2 | 3 | 4+ |
1991 | 161820783 | 34072460 | 2282998 | 151297 | 1260 |
1992 | 161013698 | 78373781 | 4412712 | 237044 | 23957 |
1993 | 161013698 | 58351755 | 10831835 | 553491 | 36207 |
1994 | 159890538 | 89522451 | 11117155 | 909818 | 51124 |
1995 | 158141380 | 70915529 | 17557645 | 2130783 | 72766 |
1996 | 157825413 | 41037630 | 7834127 | 1646233 | 177017 |
1997 | 156567847 | 74402492 | 5378930 | 734540 | 120211 |
1998 | 156724493 | 47346336 | 7952525 | 702219 | 54122 |
1999 | 155009971 | 106643281 | 6394827 | 543617 | 28538 |
2000 | 152854951 | 88101490 | 10897021 | 590662 | 27917 |
2001 | 153467596 | 43012443 | 10365567 | 1087074 | 38988 |
2002 | 154236855 | 53222937 | 5581678 | 505852 | 48630 |
2003 | 154700261 | 73514998 | 4286581 | 318061 | 22115 |
2004 | 154855038 | 69789910 | 6293324 | 381170 | 8712 |
2005 | 152397074 | 101239545 | 6205832 | 393958 | 10734 |
2006 | 151031654 | 41408635 | 10951642 | 519696 | 18177 |
2007 | 151182761 | 39745214 | 5246124 | 868046 | 33124 |
2008 | 152092584 | 47917915 | 4515380 | 434521 | 44223 |
2009 | 151182761 | 111887001 | 5137104 | 486018 | 33591 |
2010 | 149828221 | 76515202 | 17470075 | 853414 | 73057 |
2011 | 149828221 | 42797917 | 8832953 | 2628700 | 168215 |