brood_year	value	component	origin	JPE_letter_date	footnote	references_contributors	lower_95_CI	upper_95_CI
1992	546	Adult female estimate	Natural	1993-02-09	NA	CDFW, USFWS	NA	NA
1993	135	Adult female estimate	Natural	1993-10-01	NA	CDFW, USFWS	NA	NA
1994	64	Adult female estimate	Natural	1995-02-21	NA	CDFW, USFWS	NA	NA
1995	625	Adult female estimate	Natural	1995-10-20	NA	CDFW, USFWS	NA	NA
1996	305	Adult female estimate	Natural	1997-02-10	NA	CDFW, USFWS	NA	NA
1997	240	Adult female estimate	Natural	1998-04-27	NA	CDFW, USFWS	NA	NA
1998	841	Adult female estimate	Natural	1999-02-26	NA	CDFW, USFWS	NA	NA
1999	536	Adult female estimate	Natural	2000-01-01	NA	CDFW, USFWS	NA	NA
2000	529	Adult female estimate	Natural	2001-01-29	NA	CDFW, USFWS	NA	NA
2001	4876	Adult female estimate	Natural	2002-02-22	2/ Based on observed grilse and sex ratio, DFG carcass survey 2001	CDFW, USFWS	NA	NA
2002	5745	Adult female estimate	Natural	2003-02-19	2/ 2002 CDFG Carcass Survey observed proportion of adult females.	CDFW, USFWS	NA	NA
2003	NA	Adult female estimate	Natural	NA	NA	NA	NA	NA
2004	NA	Adult female estimate	Natural	NA	NA	NA	NA	NA
2005	9005	Adult female estimate	Natural	2006-02-10	2/ Number of females estimated from the carcass surveys (hatchery + natural origin)	CDFW, USFWS	NA	NA
2006	8811	Adult female estimate	Natural	2007-02-15	2/ Number of females estimated from the carcass surveys (hatchery + natural origin)	CDFW, USFWS	NA	NA
2007	NA	Adult female estimate	Natural	NA	NA	NA	NA	NA
2008	1466	Adult female estimate	Natural	2009-01-12	2/ Used sex ratio from Keswick trap( 53%) instead of carcass surveys(78%) to account for bias in males	CDFW, USFWS	NA	NA
2009	2717	Adult female estimate	Natural	2010-02-24	2/ Sex ratio was based on data collected in 2009 carcass survey (USFWS pre-release report 1/25/10)	CDFW, USFWS	NA	NA
2010	822	Adult female estimate	Natural	2011-01-12	2/ Sex ratio from carcass survey, number of females estimated from DFG letter	CDFW, USFWS	NA	NA
2011	424	Adult female estimate	Natural	2012-01-26	2/ Sex ratio from 2011 Keswick trap instead of carcass surveys to account for bias in males. Number of females estimated is from DFG letter 12/6/11.	CDFW, USFWS	NA	NA
2012	1498	Adult female estimate	Natural	2013-01-31	2/ The number of females is derived from carcass surveys by applying the CJS model and then the number of males is derived using the sex ratio at the Keswick trapping station.	CDFW, USFWS	NA	NA
2013	3613	Adult female estimate	Natural	2014-02-21	2/ The number of females is derived from carcass survey and then the number of males is derived using sex ratio at Keswick trap.	CDFW, USFWS	NA	NA
2014	1698	Adult female estimate	Natural	2015-01-16	2/ The number of adult (age 3 or older) females is derived from carcass survey and then the number of males is derived using sex ratio at Keswick trap	CDFW, USFWS	NA	NA
2015	2063	Adult female estimate	Natural	2016-01-28	2/ The number of adult (age 3 or older) females is derived from carcass survey and then the number of males is derived using sex ratio at Keswick trap	CDFW, USFWS	NA	NA
2016	658	Adult female estimate	Natural	2017-02-03	2/ The number of adult females is derived from carcass survey and then the number of males is derived using sex ratio at Keswick trap	CDFW, USFWS	NA	NA
2017	373	Adult female estimate	Natural	2018-01-08	2/ The number of adult females is derived from carcass survey and then the number of males is derived using sex ratio at Keswick trap	CDFW, USFWS	NA	NA
2018	1088	Adult female estimate	Natural	2019-02-01	2/ The number of adult females is derived from carcass surveys, and the number of males is derived using sex ratio at Keswick trap.	CDFW, USFWS	NA	NA
2019	4947	Adult female estimate	Natural	2020-01-23	2/ The number of adult females is derived from carcass surveys, and the number of males is derived using sex ratio at Keswick trap.	CDFW, USFWS	NA	NA
2020	4023	Adult female estimate	Natural	2021-01-15	2/ The number of adult females is derived from carcass surveys on the Sacramento River. Naturally spawning winter-run in Battle Creek are not included.	CDFW, USFWS	NA	NA
2021	6199	Adult female estimate	Natural	2022-01-14	2/ The number of adult females is derived from carcass surveys on the Sacramento River. Naturally spawning winter-run Chinook Salmon in Battle Creek are not included.	CDFW, USFWS	NA	NA
2022	2663	Adult female estimate	Natural	2023-01-13	2/ The number of adult females is derived from carcass surveys on the Sacramento River. Naturally spawning winter-run Chinook Salmon in Battle Creek are not included.	CDFW, USFWS	NA	NA
2023	1070	Adult female estimate	Natural	2024-01-12	2/ The number of adult females is derived from carcass surveys on the Sacramento River. Naturally spawning winter-run Chinook Salmon in Battle Creek are not included.	CDFW, USFWS	NA	NA