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["Membership of Which?, 1958-2009"]
[]
[null,"Subscribers/unique subscribers ('000)","Total number of subscribers ('000)","Subscribers to Which only ('000)"]
[1958,122]
[{"$f":"A4+1","v":1959},170]
[1960,249]
[1961,310]
[1962,327]
[1963,420]
[1964,445]
[1965,404]
[1966,434]
[1967,529]
[1968,562]
[1969,610]
[1970,604]
[1971,599]
[1972,581]
[1973,651]
[1974,713]
[1975,701]
[1976,663]
[1977,602]
[1978,654]
[1979,685]
[1980,671]
[1981,637]
[1982,655]
[1983,634]
[1984,705]
[1985,812]
[1986,949]
[1987,1081]
[1988,1014,1320]
[1989,1016,1300]
[1990,904,1290]
[1991,878,1220]
[1992,810,1190,690]
[1993,802,1186,683]
[1994,null,1142,668]
[1995,null,1061]
[1996,715,1039,593]
[1997,null,1015]
[1998,null,982]
[1999,667,971,534]
[2000,676,982]
[2001,667,974]
[2002,652,976]
[2003,637,998,490]
[2004,642,978,468]
[2005,638,842,478]
[2006,659,882]
[2007,null,1038,516]
[2008,null,1098,519]
[2009,null,1125,573]
[]
["Source: Annual report and accounts, Which?. Note: from 1999, the line showing the number of subscribers only shows the number of “unique subscribers” (i.e. people who receive “Which?” and one of the other “Which” specialised magazines are counted only once)."]