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["Membership of the RSPB, 1960-2009"]
[]
[null,"Members",null,"Proportion of UK population who claim membership"]
[1960,10,{"$f":"IF(ISBLANK(B4),NA(),B4)","v":10}]
[{"$f":"A4+1","v":1961},null,{"$f":"IF(ISBLANK(B5),NA(),B5)","v":{"$error":"#N/A"}}]
[1962,null,{"$error":"#N/A"}]
[1963,null,{"$error":"#N/A"}]
[1964,null,{"$error":"#N/A"}]
[1965,null,{"$error":"#N/A"}]
[1966,31.7,31.7]
[1967,35.9,35.9]
[1968,41.2,41.2]
[1969,52.9,52.9]
[1970,66,66]
[1971,81,81]
[1972,108.2,108.2]
[1973,138.4,138.4]
[1974,165.7,165.7]
[1975,180.7,180.7]
[1976,204.4,204.4]
[1977,244.8,244.8]
[{"$f":"A21+1","v":1978},null,{"$error":"#N/A"}]
[1979,320,320]
[1980,null,{"$error":"#N/A"}]
[1981,441,441]
[1982,null,{"$error":"#N/A"}]
[1983,470,470]
[1984,466,466]
[1985,509,509,3.5799999999999998E-2,3.5799999999999998E-2]
[1986,506,506,5.4399999999999997E-2,{"$f":"IF(ISBLANK(D30),NA(),D30)","v":5.4399999999999997E-2}]
[1987,561,561,4.48E-2,{"$f":"IF(ISBLANK(D31),NA(),D31)","v":4.48E-2}]
[1988,640,640,null,{"$f":"IF(ISBLANK(D32),NA(),D32)","v":{"$error":"#N/A"}}]
[1989,771,771,null,{"$f":"IF(ISBLANK(D33),NA(),D33)","v":{"$error":"#N/A"}}]
[1990,844,844,4.5600000000000002E-2,{"$f":"IF(ISBLANK(D34),NA(),D34)","v":4.5600000000000002E-2}]
[1991,852,852,null,{"$f":"IF(ISBLANK(D35),NA(),D35)","v":{"$error":"#N/A"}}]
[1992,850,850,null,{"$f":"IF(ISBLANK(D36),NA(),D36)","v":{"$error":"#N/A"}}]
[1993,850,850,null,{"$f":"IF(ISBLANK(D37),NA(),D37)","v":{"$error":"#N/A"}}]
[1994,870,870,null,{"$f":"IF(ISBLANK(D38),NA(),D38)","v":{"$error":"#N/A"}}]
[1995,890,890,null,{"$f":"IF(ISBLANK(D39),NA(),D39)","v":{"$error":"#N/A"}}]
[1996,925,925,null,{"$f":"IF(ISBLANK(D40),NA(),D40)","v":{"$error":"#N/A"}}]
[1997,1007,1007,null,{"$f":"IF(ISBLANK(D41),NA(),D41)","v":{"$error":"#N/A"}}]
[1998,1012,1012,4.5600000000000002E-2,{"$f":"IF(ISBLANK(D42),NA(),D42)","v":4.5600000000000002E-2}]
[1999,1004,1004,null,{"$f":"IF(ISBLANK(D43),NA(),D43)","v":{"$error":"#N/A"}}]
[2000,null,{"$error":"#N/A"},4.0099999999999997E-2,{"$f":"IF(ISBLANK(D44),NA(),D44)","v":4.0099999999999997E-2}]
[2001,null,{"$error":"#N/A"}]
[2002,1020,1020]
[2003,null,{"$error":"#N/A"}]
[2004,1042,1042]
[2005,null,{"$error":"#N/A"}]
[2006,null,{"$error":"#N/A"}]
[2007,null,{"$error":"#N/A"}]
[2008,1057,1057]
[2009,1076,1076]
[]
["Source: for the number of members/supporters: RSPB website; Annual Report and accounts; Social Trends; Francis Sandbach, Environment, Ideology and Policy (Oxford, 1980); Paul Byrne, Social Movements in Britain (London ; New York, 1997); Peter Rawcliffe, Environmental Pressure Groups in Transition (Manchester, 1998); b) for the percentage of people answering positively to the question: “Are you currently a member of any of these? Yes: RSPB”, British Social Attitudes Survey, downloaded from: http://www.britsocat.com."]