Table 2. Estimated stock numbers. | |||||
Year\Age | 0 | 1 | 2 | 3 | 4+ |
1991 | 165089779 | 36910256 | 2378546 | 178796 | 1287 |
1992 | 164266390 | 74925137 | 4765915 | 253723 | 28912 |
1993 | 164102206 | 67187649 | 9258013 | 531788 | 39144 |
1994 | 162469362 | 83720967 | 10365567 | 925417 | 48582 |
1995 | 160210639 | 72348118 | 15066737 | 1763833 | 82207 |
1996 | 159411585 | 48496394 | 7579820 | 1541089 | 167042 |
1997 | 157983318 | 68203061 | 5683058 | 722159 | 120451 |
1998 | 157667667 | 55617030 | 7355802 | 621568 | 59101 |
1999 | 155475699 | 90422167 | 6563273 | 606828 | 27806 |
2000 | 153007883 | 77516393 | 11467185 | 600790 | 27146 |
2001 | 153160967 | 50223821 | 9129304 | 1139386 | 37534 |
2002 | 153621140 | 53704105 | 5346753 | 550180 | 48825 |
2003 | 154082695 | 65267189 | 5116596 | 336381 | 22049 |
2004 | 154236855 | 68271298 | 6622609 | 397918 | 12102 |
2005 | 151788703 | 86789829 | 6729423 | 395933 | 8683 |
2006 | 150579238 | 46408816 | 10511705 | 523871 | 16779 |
2007 | 151182761 | 42372071 | 5219958 | 840708 | 32209 |
2008 | 152549547 | 51187197 | 4434831 | 423369 | 37496 |
2009 | 151940568 | 100835396 | 6144083 | 434956 | 33591 |
2010 | 150729892 | 73441520 | 16272710 | 897169 | 68734 |
2011 | 150729892 | 49575137 | 9655131 | 2285282 | 163898 |