Table 3. Estimated stock numbers at age.
Year Age	1	2	3	4	5	6	7	8
1991	695269	171290	116377	54184	29043	1442	834	1410
1992	787492	471183	92329	36176	13934	9566	411	801
1993	1032844	537915	260761	34193	13051	5980	3822	550
1994	1002506	701694	270836	80799	11622	5567	2420	1986
1995	935454	678557	325786	72330	24565	4776	2151	1871
1996	492203	632678	278916	63432	16578	8441	1554	1443
1997	402546	334532	286952	56980	13154	5056	2398	989
1998	486321	271751	140162	46756	8480	2939	982	847
1999	616098	327846	99310	23782	8178	1943	554	458
2000	611116	414264	95618	15313	4143	1683	292	224
2001	471846	405257	77549	10162	2138	634	173	94
2002	423146	306546	43705	6205	1325	302	59	50
2003	379626	273923	28705	4353	1254	306	55	33
2004	337517	253608	58356	5159	1226	388	86	36
2005	354062	225038	58628	9257	1159	292	86	46
2006	468392	234089	37810	6552	1488	174	39	40
2007	487436	311892	36931	4284	1302	279	30	26
2008	434762	326791	59530	4593	939	268	52	18
2009	381717	292913	74506	8768	1071	218	60	24
2010	319955	255961	73530	12196	2115	244	51	28
2011	282047	215471	74635	15688	3950	694	82	33
2012	285059	191365	77754	18377	5854	1572	287	53
2013	292068	194419	86449	22961	7247	2481	695	161
2014	266513	200817	96410	24994	8448	2849	1045	386
2015	358012	182048	106801	29290	8920	3207	1153	622
2016	355340	245274	96094	29518	9158	2901	1109	639
2017	370440	243819	132730	27111	9112	2862	942	557
2018	360613	252717	130061	34635	7795	2634	865	432
2019	307118	246274	135611	35262	10242	2373	856	405
2020	317155	209488	131952	35928	9975	2870	701	348