Graph

Western Bluebird
(Sialia mexicana)

Additional information on: Christmas Bird Count (CBC)

Listing of the individual data points that make up the graph
Year	Annual Index	Lower CI	Upper CI
1965
1966
1967
1968
1969
1970	0.19	0.03	1.22
1971	0.2	0.04	1.24
1972	0.22	0.04	1.32
1973	0.24	0.05	1.34
1974	0.39	0.08	3.95
1975	0.33	0.07	1.98
1976	0.28	0.06	1.3
1977	0.32	0.07	1.53
1978	0.34	0.08	1.46
1979	0.36	0.08	1.52
1980	0.4	0.09	1.62
1981	0.45	0.11	1.82
1982	0.46	0.11	1.79
1983	0.61	0.17	2.77
1984	0.47	0.09	1.66
1985	0.82	0.24	4.68
1986	0.62	0.16	2.11
1987	0.68	0.18	2.34
1988	0.79	0.22	2.76
1989	0.99	0.31	4.05
1990	0.87	0.23	2.78
1991	0.98	0.29	3.14
1992	0.88	0.19	2.62
1993	1.32	0.44	4.55
1994	1.31	0.42	4.22
1995	1.55	0.52	5.28
1996	1.43	0.42	4.28
1997	1.25	0.26	3.6
1998	1.4	0.3	3.99
1999	1.63	0.43	4.68
2000	2.44	0.86	8.56
2001	2.29	0.74	6.94
2002	2.87	0.99	9.84
2003	2.46	0.73	7.1
2004	2.71	0.81	7.91
2005	2.81	0.78	8.25
2006	3.54	1.17	10.8
2007	3.51	1.04	10.5
2008	3.38	0.87	10.3
2009	4.95	1.6	17.1
2010	5.79	1.94	21
2011	4.97	1.47	15.5
2012	7.15	2.32	27.9

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