Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1971 | 20449 | 32860 | 15370 | 4284 | 2014 | 567 |
1972 | 10832 | 16300 | 17783 | 6364 | 1780 | 1115 |
1973 | 17130 | 7845 | 8756 | 7654 | 2787 | 1397 |
1974 | 24101 | 15231 | 9820 | 5229 | 2480 | 1020 |
1975 | 23389 | 20050 | 7831 | 5166 | 1423 | 995 |
1976 | 14017 | 20211 | 14602 | 3125 | 1769 | 844 |
1977 | 22020 | 10040 | 13142 | 6582 | 870 | 882 |
1978 | 17806 | 21842 | 5510 | 4795 | 1681 | 472 |
1979 | 10246 | 15289 | 13854 | 1972 | 1727 | 595 |
1980 | 15280 | 7262 | 10983 | 6051 | 623 | 828 |
1981 | 16305 | 12552 | 4953 | 4894 | 2094 | 469 |
1982 | 20228 | 12778 | 6309 | 2164 | 1156 | 768 |
1983 | 17344 | 16978 | 7684 | 1936 | 417 | 460 |
1984 | 10815 | 14483 | 8781 | 2509 | 467 | 239 |
1985 | 8156 | 9011 | 8405 | 2738 | 590 | 159 |
1986 | 16105 | 6235 | 4593 | 2077 | 560 | 183 |
1987 | 5523 | 15536 | 3673 | 1268 | 441 | 160 |
1988 | 7067 | 4082 | 6117 | 1052 | 282 | 110 |
1989 | 4201 | 6145 | 2423 | 1902 | 263 | 116 |
1990 | 12267 | 2958 | 2509 | 702 | 465 | 80 |
1991 | 6749 | 11647 | 1373 | 580 | 148 | 112 |
1992 | 9697 | 5350 | 5841 | 296 | 100 | 43 |
1993 | 6377 | 8474 | 2722 | 1996 | 63 | 32 |
1994 | 8084 | 5198 | 5539 | 1155 | 590 | 24 |
1995 | 12350 | 6212 | 3561 | 2046 | 404 | 204 |
1996 | 4531 | 11208 | 3923 | 1282 | 497 | 156 |
1997 | 10150 | 3499 | 9008 | 1429 | 349 | 171 |
1998 | 8879 | 9545 | 2372 | 2727 | 366 | 120 |
1999 | 8803 | 6948 | 5645 | 657 | 583 | 107 |
2000 | 3626 | 6255 | 3716 | 1457 | 162 | 151 |
2001 | 2170 | 2681 | 2928 | 874 | 280 | 69 |
2002 | 4359 | 1910 | 1332 | 755 | 164 | 72 |
2003 | 1497 | 4124 | 1272 | 440 | 206 | 52 |
2004 | 5253 | 1125 | 2449 | 483 | 156 | 100 |
2005 | 2258 | 5271 | 679 | 908 | 137 | 71 |
2006 | 2099 | 1863 | 3284 | 254 | 275 | 70 |
2007 | 803 | 1329 | 891 | 920 | 80 | 118 |
2008 | 622 | 510 | 545 | 249 | 171 | 44 |
2009 | 2233 | 421 | 233 | 184 | 64 | 40 |
2010 | 1610 | 2137 | 260 | 84 | 51 | 28 |
2011 | 1826 | 1229 | 1224 | 119 | 22 | 20 |
2012 | 2957 | 1319 | 616 | 461 | 53 | 10 |
2013 | 4421 | 2106 | 861 | 230 | 111 | 24 |
2014 | 2777 | 4024 | 1327 | 340 | 60 | 34 |