Graph

Forster's Tern
(Sterna forsteri)

Listing of the individual data points that make up the graph
Year	Annual Index	Lower limit	Upper limit
1970	0.53	0.312	1.16
1971	0.529	0.318	1.11
1972	0.535	0.32	1.17
1973	0.538	0.327	1.11
1974	0.435	0.271	0.842
1975	0.456	0.286	0.88
1976	0.491	0.306	0.958
1977	0.418	0.268	0.808
1978	0.406	0.261	0.747
1979	0.484	0.308	1.22
1980	0.436	0.285	0.861
1981	0.431	0.28	0.841
1982	0.395	0.264	0.762
1983	0.376	0.251	0.769
1984	0.391	0.264	0.805
1985	0.451	0.291	1.01
1986	0.365	0.252	0.748
1987	0.39	0.269	0.781
1988	0.441	0.283	2.02
1989	0.34	0.239	0.586
1990	0.348	0.245	0.652
1991	0.362	0.255	0.635
1992	0.332	0.236	0.557
1993	0.323	0.232	0.534
1994	0.341	0.243	0.624
1995	0.339	0.244	0.586
1996	0.355	0.245	0.969
1997	0.346	0.246	0.623
1998	0.327	0.234	0.575
1999	0.327	0.236	0.576
2000	0.351	0.241	0.933
2001	0.298	0.217	0.475
2002	0.3	0.216	0.484
2003	0.347	0.245	0.626
2004	0.358	0.247	0.728
2005	0.307	0.22	0.511
2006	0.398	0.246	1.37
2007	0.299	0.209	0.534
2008	0.289	0.202	0.495
2009	0.283	0.2	0.477
2010	0.303	0.215	0.513
2011	0.303	0.211	0.506
2012	0.3	0.203	0.573
2013	0.305	0.208	0.573
2014	0.344	0.223	0.823
2015	0.309	0.204	0.611
2016	0.348	0.214	1.09

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