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["Figure 6.2: Membership of environmental organisations, 1970s-present day"]
[]
[null,1971,1976,1981,1986,1991,1995,1999,2004,2008]
["Ramblers",22,30,37,53,87,109,129,137,134]
["Friends of the Earth",1,5,18,28,240,110,112,100,100]
["National Trust Scotland",37,59,105,145,234,230,236,280,300]
["National Trust (Eng & Wales)",278,548,1046,1417,2152,2293,2643,3400,3500]
["RSPB",81,204.4,441,506,852,890,1004,1042,1057]
["WWF",12,36,60,106,227,219,254.99999999999997,330,330]
["Greenpeace",null,null,30,70,400,279,176,221,221]
["Civic Trust",214,229,244,241,222,301,330,290,250]
["Wildlife Trusts",64,109,142,179,233,260,325,413,765]
["Woodland Trust",null,null,20,48.5,63,150,63,137.5,160]
["CPRE",21,28,29,33,46,45,49,58,60]
[]
["Source: Social Trends; organisations concerned (annual reports; their websites)."]