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Number of observations submitted by volunteers to Canada's bird monitoring programs between 1970 and 2010

Line graph showing the number of observations submitted by volunteers to Canada's bird monitoring programs between 1970 and 2010
List of individual points that make up the graph
Year Number of observations per year
1970 43427
1971 41893
1972 52646
1973 54231
1974 62781
1975 78168
1976 80230
1977 111490
1978 116459
1979 108254
1980 128887
1981 156546
1982 209770
1983 224632
1984 244555
1985 291861
1986 148638
1987 125427
1988 140779
1989 188800
1990 192718
1991 162035
1992 171475
1993 195234
1994 199855
1995 260848
1996 238761
1997 409899
1998 438873
1999 482441
2000 544315
2001 735281
2002 801680
2003 948516
2004 924443
2005 1007677
2006 893231
2007 966938
2008 1182223
2009 1459549

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