Number of foreign languages known (self-reported) by occupation - clerical support workers, service and sales workers - no languages - percentage reached 24.6% in 2011 in Czechia, according to . This is 0% more than in the previous year.
Historically, Number of foreign languages known (self-reported) by occupation - Clerical support workers, service and sales workers - No languages - Percentage in Czechia reached an all time high of 24.6% in 2011 and an all time low of 22.6% in 2007.
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