Graph

Great Black-backed Gull
(Larus marinus)

Listing of the individual data points that make up the graph
Year	Annual Index	Lower limit	Upper limit
1970	10.8	7.34	17.9
1971	9.86	6.27	16
1972	10.2	6.92	16.3
1973	9.94	6.83	16
1974	9.72	6.7	15.6
1975	9.13	6.35	14.3
1976	8.57	5.86	13.2
1977	7.99	5.47	12.2
1978	7.85	5.56	12.3
1979	7.62	5.43	11.6
1980	7.79	5.5	12
1981	7	5.03	10.6
1982	7.21	5.22	11.2
1983	7.05	5.1	10.6
1984	6.65	4.8	9.83
1985	6.16	4.55	9.08
1986	5.86	4.27	8.46
1987	5.86	4.26	8.6
1988	5.6	4.13	8.32
1989	5.37	3.88	7.77
1990	5.13	3.73	7.46
1991	5	3.72	7.33
1992	4.93	3.73	7.18
1993	4.55	3.44	6.56
1994	4.41	3.26	6.32
1995	4.4	3.31	6.25
1996	4.22	3.18	6.26
1997	4.21	3.15	5.89
1998	3.8	2.73	5.22
1999	3.86	2.93	5.63
2000	3.72	2.76	5.29
2001	3.63	2.61	5.16
2002	3.63	2.7	5.38
2003	3.42	2.47	5.09
2004	3.57	2.71	5.38
2005	3.37	2.52	5.05
2006	3.2	2.25	4.8
2007	3.31	2.42	5.77
2008	3.08	2.22	4.78
2009	3.01	2.11	4.8
2010	2.98	2.08	4.88
2011	2.87	1.9	4.83
2012	2.91	2.01	5.1
2013	2.68	1.69	4.19
2014	2.75	1.84	4.81
2015	2.66	1.73	4.87
2016	2.6	1.6	4.55

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