Graph

Great Blue Heron
(Ardea herodias)

Listing of the individual data points that make up the graph
Year	Annual Index	Lower limit	Upper limit
1970	0.625	0.58	0.678
1971	0.623	0.582	0.674
1972	0.616	0.574	0.662
1973	0.622	0.583	0.667
1974	0.622	0.585	0.671
1975	0.613	0.574	0.653
1976	0.616	0.58	0.659
1977	0.624	0.589	0.667
1978	0.612	0.579	0.651
1979	0.61	0.576	0.648
1980	0.615	0.584	0.651
1981	0.635	0.603	0.671
1982	0.63	0.598	0.665
1983	0.634	0.604	0.672
1984	0.629	0.598	0.664
1985	0.643	0.612	0.676
1986	0.663	0.633	0.703
1987	0.658	0.626	0.693
1988	0.649	0.621	0.681
1989	0.669	0.639	0.703
1990	0.667	0.638	0.699
1991	0.677	0.647	0.71
1992	0.704	0.672	0.741
1993	0.695	0.666	0.729
1994	0.713	0.682	0.746
1995	0.719	0.689	0.752
1996	0.708	0.677	0.742
1997	0.704	0.676	0.737
1998	0.731	0.698	0.767
1999	0.718	0.688	0.749
2000	0.764	0.729	0.803
2001	0.734	0.702	0.772
2002	0.745	0.712	0.783
2003	0.745	0.712	0.783
2004	0.742	0.711	0.781
2005	0.76	0.726	0.801
2006	0.773	0.737	0.812
2007	0.764	0.726	0.806
2008	0.799	0.759	0.854
2009	0.795	0.76	0.838
2010	0.764	0.727	0.802
2011	0.8	0.762	0.839
2012	0.818	0.778	0.864
2013	0.775	0.736	0.815
2014	0.784	0.743	0.835
2015	0.816	0.773	0.867
2016	0.841	0.796	0.892

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