Graph

Song Sparrow
(Melospiza melodia)

Listing of the threshold values that appear on the graph
Population below lowest acceptable level		Goal
13.012		17.35

Listing of the individual data points that make up the graph
Year	Annual Index	Lower limit	Upper limit
1970	17.6	16	19.8
1971	17	15.6	18.9
1972	17.7	16.3	19.6
1973	17.3	15.9	18.9
1974	17.2	15.8	19
1975	16.7	15.6	18.3
1976	17	15.7	18.8
1977	16.1	15	17.5
1978	15.2	14.1	16.5
1979	14.1	13.1	15.3
1980	14.3	13.4	15.6
1981	14.1	13.2	15.1
1982	13.6	12.8	14.7
1983	14.3	13.4	15.3
1984	13.8	12.9	14.8
1985	13.6	12.8	14.5
1986	13.6	12.8	14.5
1987	13.8	13	14.7
1988	13.4	12.7	14.2
1989	13.3	12.6	14.1
1990	13.5	12.8	14.2
1991	13.1	12.5	13.8
1992	13.3	12.7	14
1993	13.4	12.8	14
1994	14.1	13.5	14.8
1995	13.5	13	14.1
1996	12.5	11.9	13
1997	12.7	12.2	13.3
1998	12.8	12.3	13.4
1999	12.5	12	13.1
2000	12.6	12.1	13.1
2001	11.6	11.2	12.1
2002	11.5	11.1	12.1
2003	11.6	11.2	12.1
2004	12	11.5	12.5
2005	11.7	11.3	12.2
2006	12.4	11.9	13
2007	12.2	11.8	12.7
2008	11.8	11.3	12.3
2009	11.8	11.3	12.3
2010	11.8	11.4	12.4
2011	11	10.6	11.5
2012	11.5	11.1	12
2013	10.8	10.3	11.2
2014	11	10.6	11.6
2015	11.1	10.6	11.6
2016	11	10.6	11.5

Notes on numeric data: Ex represents 10 to the power of x; For example 1.2345E-2 is equivalent to 0.012345