Table 3. Estimates of stock size in numbers (millions)
Year\Age	0	1	2	3	4+
1988	13358.8	5083.2	3609.7	1472.5	536.3
1989	24366.5	6310.2	2401.2	887.3	536.3
1990	24276.4	11509.9	2980.8	522.3	307.8
1991	24075.9	11467.3	5436.9	747.9	191.8
1992	34523.3	11372.6	5416.8	1606.8	293.1
1993	21768.0	16307.6	5372.1	1510.5	615.3
1994	20929.0	10282.5	7703.2	1838.1	627.5
1995	28357.8	9886.2	4857.1	2560.7	754.9
1996	35161.0	13395.3	4669.9	1473.1	1014.0
1997	18317.9	16608.9	6327.5	1355.7	573.2
1998	21826.2	8652.7	7845.5	1945.3	539.7
1999	25875.7	10310.0	4087.3	2390.6	771.7
2000	22313.3	12222.8	4870.1	1242.0	947.3
2001	32402.8	10540.1	5773.6	1613.5	509.4
2002	32417.6	15306.0	4978.8	1939.7	665.5
2003	42291.5	15313.0	7230.1	1561.3	778.4
2004	29923.3	19977.1	7233.4	2382.8	639.0
2005	40797.6	14134.8	9436.5	2310.6	963.2
2006	28040.5	19271.4	6676.8	2998.6	932.1
2007	22826.2	13245.4	9103.2	2136.1	1212.9
2008	10909.9	10782.3	6256.7	2940.2	867.3
2009	7307.0	5153.5	5093.2	1723.5	1120.5
2010	8545.4	3451.6	2434.3	1372.1	651.0
2011	11982.4	4036.5	1630.4	619.4	506.7
2012	10807.8	5660.1	1906.7	309.2	203.5
2013	26721.9	5105.2	2673.6	363.6	101.8
2014	10192.1	12622.5	2411.5	543.2	122.7
2015	21169.0	4814.4	5962.5	574.0	195.3