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Workers in Cyprus strike the most often compared to employees in other European countries.
A chart by Statista for The Independent, using data from the European Trade Union Institute, shows the European countries where the most working days were lost to strike action between 2009 and 2013.
In Cyprus, the average number of days not worked due to industrial action was 514 per 1,000 employees.
The number of days lost peaked in 2013 due to an open-ended strike in the construction industry over the renewal of an industry-wide collective agreement.
The strike became the longest in Cyprus' history since 1948.
France came second on the list, with 171 per 1,000 employees not worked due to industrial action, while Denmark came third with 82 days not worked.
Workers in Germany striked the least, with an average of 12 days per 1,000 not worked due to industrial action between 2009 and 2013.
In pictures: France strikesShow all 12 1 /12In pictures: France strikes In pictures: France strikes French riot police use tear gas against a demonstrator during a protest against the government's labour market reforms at Place de la Nation in Paris
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In pictures: France strikes Workers on strike are evacuated by French riot policemen as they block the access to an oil depot near the Total refinery of Donges
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In pictures: France strikes Demonstrators protest during a rally against employment and labour law reforms in Lyon
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In pictures: France strikes Security forces clash with demonstrators during a protest called by seven labour unions and students against the labour and employment law reform, in Bordeaux
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In pictures: France strikes French police apprehend a man during a demonstration to protest the government's proposed labour law reforms in Nantes
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In pictures: France strikes Riot police prepare to confront refinery workers outside an oil depot in Douchy-Les-Mines
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In pictures: France strikes A protester holds up his fist as riot police prepare to intervene to disperse refinery worker holding a blockade of the oil depot of Douchy-Les-Mines to protest against the government's proposed labour reformsr labour reforms
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In pictures: France strikes An employee stands next to a fire and French CGT union's flag as employees block the access of the PSA plant in Valenciennes
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In pictures: France strikes CGT union workers and docker workers attend a demonstration in Marseille
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In pictures: France strikes Men burn bins during a protest against the government's labour market reforms in Rennes
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In pictures: France strikes People demonstrate in Le Havre
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In pictures: France strikes A protestor raises his fist during a protest against the government's labour market reforms in Rennes
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Several strikes have recently been called in France in response to attempts to reform the country's labour law.
Air-traffic controllers threatened strikes in a long-running dispute with the government over job security, pensions and pay.
A strike by the controllers on Thursday grounded 10,000 British airline passengers . Another strike is scheduled for 14 June.
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