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["Number of Volunteers working for the Royal National Lifeboat Institution, 1971-2009"]
[]
[null,"Volunteers '000"]
[1971,5000,{"$f":"IF(ISBLANK(B4),NA(),B4)","v":5000}]
[1972,null,{"$f":"IF(ISBLANK(B5),NA(),B5)","v":{"$error":"#N/A"}}]
[1973,null,{"$error":"#N/A"},null,null,1000]
[1974,null,{"$error":"#N/A"}]
[1975,null,{"$error":"#N/A"}]
[1976,5000,5000]
[1977,null,{"$error":"#N/A"}]
[1978,null,{"$error":"#N/A"}]
[1979,null,{"$error":"#N/A"}]
[1980,null,{"$error":"#N/A"}]
[1981,5000,5000]
[1982,null,{"$error":"#N/A"}]
[1983,null,{"$error":"#N/A"}]
[1984,5000,5000]
[1985,null,{"$error":"#N/A"}]
[1986,null,{"$error":"#N/A"}]
[1987,null,{"$error":"#N/A"}]
[1988,null,{"$error":"#N/A"}]
[1989,null,{"$error":"#N/A"}]
[1990,5000,5000]
[1991,5000,5000]
[1992,5700,5700]
[1993,null,{"$error":"#N/A"}]
[1994,null,{"$error":"#N/A"}]
[1995,null,{"$error":"#N/A"}]
[1996,null,{"$error":"#N/A"}]
[1997,null,{"$error":"#N/A"}]
[1998,null,{"$error":"#N/A"}]
[1999,null,{"$error":"#N/A"}]
[2000,null,{"$error":"#N/A"}]
[2001,null,{"$error":"#N/A"}]
[2002,null,{"$error":"#N/A"}]
[2003,null,{"$error":"#N/A"}]
[2004,null,{"$error":"#N/A"}]
[2005,null,{"$error":"#N/A"}]
[2006,null,{"$error":"#N/A"}]
[2007,null,{"$error":"#N/A"}]
[2008,null,{"$error":"#N/A"}]
[2009,4500,4500]
[]
["Source: Social Trends, various years"]