Graph

Pied-billed Grebe
(Podilymbus podiceps)

Listing of the individual data points that make up the graph
Year	Annual Index	Lower limit	Upper limit
1970	0.763	0.444	1.39
1971	0.884	0.533	1.6
1972	1.17	0.719	2.03
1973	0.922	0.569	1.56
1974	0.694	0.427	1.18
1975	0.981	0.622	1.61
1976	1.11	0.645	2.08
1977	0.892	0.551	1.49
1978	0.642	0.395	1.07
1979	1.01	0.645	1.73
1980	0.696	0.428	1.19
1981	0.563	0.345	0.969
1982	0.46	0.283	0.812
1983	0.71	0.437	1.21
1984	0.877	0.509	1.56
1985	0.861	0.525	1.48
1986	0.838	0.501	1.49
1987	0.897	0.568	1.5
1988	0.857	0.526	1.52
1989	0.634	0.42	0.966
1990	0.652	0.433	1.02
1991	0.692	0.454	1.1
1992	0.661	0.43	1.06
1993	0.568	0.361	0.932
1994	1.1	0.721	1.78
1995	1.14	0.735	1.91
1996	1.27	0.852	1.98
1997	1.22	0.783	1.98
1998	0.727	0.472	1.12
1999	1.16	0.748	1.87
2000	1.21	0.795	1.9
2001	0.748	0.505	1.13
2002	0.619	0.391	1.01
2003	1.12	0.747	1.73
2004	0.799	0.513	1.27
2005	1.01	0.68	1.57
2006	1.4	0.917	2.2
2007	1.97	1.21	3.25
2008	0.991	0.613	1.63
2009	0.93	0.59	1.54
2010	0.912	0.587	1.47
2011	1.7	1.05	2.8
2012	2.21	1.41	3.79
2013	2.03	1.24	3.53
2014	1.95	1.2	3.32
2015	2.25	1.44	3.75
2016	1.4	0.873	2.4

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