In 1995 out of a total of 3,500 workers of a factory 2,400 were members of a trade union .The number of women employed was 400 of which 350 did not belong to a trade union .In 2000 the number of union workers increased to 3,160 of which 2,580 were men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employees who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005,600 were women ,of whom only 16 did not belong to trade union.In 1995 total number of workers (Male+Female) who were not members of trade union=?
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