Graph

Green Heron
(Butorides virescens)

Listing of the individual data points that make up the graph
Year	Annual Index	Lower limit	Upper limit
1970	0.846	0.791	0.905
1971	0.796	0.746	0.848
1972	0.785	0.738	0.839
1973	0.81	0.763	0.865
1974	0.778	0.73	0.828
1975	0.755	0.712	0.802
1976	0.774	0.73	0.824
1977	0.75	0.706	0.796
1978	0.701	0.661	0.746
1979	0.73	0.69	0.774
1980	0.723	0.684	0.768
1981	0.681	0.643	0.722
1982	0.708	0.669	0.753
1983	0.697	0.66	0.741
1984	0.663	0.627	0.705
1985	0.651	0.617	0.689
1986	0.62	0.59	0.656
1987	0.627	0.596	0.664
1988	0.602	0.572	0.632
1989	0.579	0.551	0.61
1990	0.593	0.564	0.625
1991	0.585	0.555	0.616
1992	0.562	0.535	0.593
1993	0.572	0.543	0.604
1994	0.566	0.539	0.597
1995	0.52	0.495	0.547
1996	0.519	0.494	0.547
1997	0.505	0.48	0.529
1998	0.494	0.471	0.517
1999	0.502	0.478	0.529
2000	0.496	0.473	0.525
2001	0.487	0.463	0.514
2002	0.477	0.455	0.505
2003	0.456	0.433	0.478
2004	0.469	0.447	0.495
2005	0.437	0.416	0.459
2006	0.438	0.415	0.461
2007	0.434	0.413	0.458
2008	0.425	0.403	0.449
2009	0.422	0.4	0.445
2010	0.404	0.383	0.426
2011	0.422	0.401	0.446
2012	0.405	0.382	0.429
2013	0.383	0.361	0.407
2014	0.381	0.359	0.403
2015	0.378	0.355	0.402
2016	0.378	0.355	0.403

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