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2009 | 47,1 | 2008 | 41,6 | 2007 | 31,9 | 2006 | 46,0 | 2005 | 48,5 | Proportion of persons aged between 16 and 74 years old installing or updating virus checking program or firewall in the first 3 months of the year (%); Annual - Statistics Portugal, Survey on ICT usage in private households |
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This data last updated:november 05, 2009
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