Tourism Research and Statistics Sri Lanka Tourism Research and Statistics - SLTDA http://www.sltda.lk/statistics Research & Statistics Sri Lanka Tourism Research and Statistics - SLTDA Research & Statistics www.sltda.lk/statistics Sri Lanka Tourism and Research Statistics Research & Statistics Sri Lanka Tourism Development Authority Sri Lanka Tourism Research and Statistics - SLTDA Sri Lanka Tourist Arrivals and Statistics スリランカ観光客推移（年別、月別） Research & Statistics http://www.swtda.wk/statistics www.sltda.lk/statistics Research & Statistics Research & Statistics http://www.sltda.lk/statistics Sri Lanka Tourist Arrivals (2009 to 2010) Research & Statistics Sri Lanka Tourist Arrivals and Statistics Sri Lanka Tourist Arrivals (2009 to 2010) nearly tripled Sri Lanka Tourist Arrivals and Statistics スリランカ観光客推移（年別、月別） Sri Lanka Tourist Arrivals (2009 to 2010)