Thread: Imprecise survey-19th vs. 20th century
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Old 11-08-2006, 06:56 AM
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Default Imprecise survey-19th vs. 20th century
Posted By: John Harrell

5 per cent - 19th century

10 per cent - pre WWI

50 per cent - pre WWII

25 per cent - pre 1975

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